{"pageNumber":"5576","pageRowStart":"139375","pageSize":"25","recordCount":165626,"records":[{"id":5220890,"text":"5220890 - 1973 - Twenty-sixth winter bird-population study. 10. Upland tulip-tree-maple-oak forest","interactions":[],"lastModifiedDate":"2012-02-02T00:14:46","indexId":"5220890","displayToPublicDate":"2010-06-16T12:17:56","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":708,"text":"American Birds","active":true,"publicationSubtype":{"id":10}},"title":"Twenty-sixth winter bird-population study. 10. Upland tulip-tree-maple-oak forest","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Robbins, C., 1973, Twenty-sixth winter bird-population study. 10. Upland tulip-tree-maple-oak forest: American Birds, v. 27, no. 3, p. 672-673.","productDescription":"672-673","startPage":"672","endPage":"673","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196701,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a49e4b07f02db623e2a","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":332647,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5224693,"text":"5224693 - 1973 - Sea birds wintering off Maryland shores, 1972-73","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224693","displayToPublicDate":"2010-06-16T12:17:56","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2687,"text":"Maryland Birdlife","active":true,"publicationSubtype":{"id":10}},"title":"Sea birds wintering off Maryland shores, 1972-73","docAbstract":"During the winter of 1972-73, studies were conducted to determine the status and distribution of pelagic species of birds occurring at sea as far as 38 miles east of Ocean City, Md.  The wintering off-shore avifauna was found to be impressively rich in variety of species and numbers of individuals.  Sightings included Fulmar and Skua, both first sight records for Maryland.  Large alcids, especially Razorbills, were observed in unprecedented numbers and on five of the seven trips undertaken.  Thick-billed Murre was sighted once and Dovekie, once.  A Pomarine Jaeger was a mid-winter first for Maryland.  Black-legged Kittiwakes were sighted on all seven trips, with age ratios consistently averaging about three adults to one immature.  Likewise, Gannets were observed on all seven trips, 7.5 adults to one immature.  Iceland Gulls were seen twice and Black-headed Gulls on three trips.  Evidence of a definite migration was noted on Nov. 19, as Gannets were observed flying south in a narrow band, four miles wide, five to nine miles east of Ocean City, and Black-legged Kittiwakes, likewise, were heading south in a steady stream no closer than 14 miles east of Ocean City.  Data accumulated from December through March suggest most pelagics occurring in Maryland waters during this period were truly wintering and not transients.  This report is concerned primarily with the true pelagics normally found well away from the sight of land and does not dwell on those 'sea birds' commonly seen in immediate coastal waters.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Maryland Birdlife","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6625_Rowlett.pdf","usgsCitation":"Rowlett, R., 1973, Sea birds wintering off Maryland shores, 1972-73: Maryland Birdlife, v. 29, no. 3, p. 88-102.","productDescription":"88-102","startPage":"88","endPage":"102","numberOfPages":"15","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203159,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc5e0","contributors":{"authors":[{"text":"Rowlett, R.A.","contributorId":94418,"corporation":false,"usgs":true,"family":"Rowlett","given":"R.A.","affiliations":[],"preferred":false,"id":342376,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221220,"text":"5221220 - 1973 - Pesticide residues in eggs of wild birds: Adjustment for loss of moisture and lipid","interactions":[],"lastModifiedDate":"2023-11-01T11:57:35.153107","indexId":"5221220","displayToPublicDate":"2010-06-16T12:17:56","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Pesticide residues in eggs of wild birds: Adjustment for loss of moisture and lipid","docAbstract":"Eggs of wild birds collected for the purpose of measuring concentrations of pesticides or other pollutants vary from nearly fresh to nearly dry so that objective comparisons cannot be made on the basis of weight of the contents at the time of collection.  Residue concentrations in the nearly dry eggs can be greatly exaggerated by this artifact.  Valid interpretation of residue data depends upon compensation for these losses.  A method is presented for making adjustments on the basis of volume of the egg, and formulas are derived for estimating the volume of eggs of eagles, ospreys, and pelicans from egg measurements.  The possibility of adjustments on the basis of percentage of moisture, solids, or fat in fresh eggs is discussed also.","language":"English","publisher":"Springer","doi":"10.1007/BF01684824","usgsCitation":"Stickel, L., Wiemeyer, S.N., and Blus, L.J., 1973, Pesticide residues in eggs of wild birds: Adjustment for loss of moisture and lipid: Bulletin of Environmental Contamination and Toxicology, v. 9, no. 4, p. 193-196, https://doi.org/10.1007/BF01684824.","productDescription":"4 p.","startPage":"193","endPage":"196","numberOfPages":"4","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":193531,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"9","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db68837a","contributors":{"authors":[{"text":"Stickel, L.F.","contributorId":41095,"corporation":false,"usgs":true,"family":"Stickel","given":"L.F.","email":"","affiliations":[],"preferred":false,"id":333323,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wiemeyer, Stanley N.","contributorId":78279,"corporation":false,"usgs":true,"family":"Wiemeyer","given":"Stanley","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333324,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Blus, L. J.","contributorId":38116,"corporation":false,"usgs":true,"family":"Blus","given":"L.","middleInitial":"J.","affiliations":[],"preferred":false,"id":333322,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5222913,"text":"5222913 - 1973 - The seventy-third Christmas bird count.  [Untitled. Summary for Delaware, Maryland, District of Columbia, and Virginia]","interactions":[],"lastModifiedDate":"2012-02-02T00:14:45","indexId":"5222913","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":708,"text":"American Birds","active":true,"publicationSubtype":{"id":10}},"title":"The seventy-third Christmas bird count.  [Untitled. Summary for Delaware, Maryland, District of Columbia, and Virginia]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Bystrak, D., 1973, The seventy-third Christmas bird count.  [Untitled. Summary for Delaware, Maryland, District of Columbia, and Virginia]: American Birds, v. 27, no. 2, p. 144-145.","productDescription":"144-145","startPage":"144","endPage":"145","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197391,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a62e4b07f02db6364e5","contributors":{"authors":[{"text":"Bystrak, D.","contributorId":58220,"corporation":false,"usgs":true,"family":"Bystrak","given":"D.","email":"","affiliations":[],"preferred":false,"id":337436,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221230,"text":"5221230 - 1973 - Elimination pattern of aroclor 1254 components in the bobwhite","interactions":[],"lastModifiedDate":"2025-01-28T16:38:48.368605","indexId":"5221230","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2213,"text":"Journal of Chromatography","active":true,"publicationSubtype":{"id":10}},"title":"Elimination pattern of aroclor 1254 components in the bobwhite","docAbstract":"<div class=\"u-margin-s-bottom\">The gas-liquid chromatographic profile for Aroclor 1254 did not maintain its integrity in bobwhite quail fed Aroclor 1254 for 14 days and clean food 14 or 42 days thereafter. Absorption of all components occurred at essentially the same rate, as shown by analysis of quail sacrificed within an hour after a single oral dose of Aroclor. Acentonitrile-hexane partitioning altered the peak pattern of the Aroclor 1254 standard.</div><div class=\"u-margin-s-bottom\">Significant alteration of certain polychlorinated biphenyl isomers appeared to take place. Dechlorination was clearly apparent, and isomeric transformation is suggested.</div>","language":"English","publisher":"Elsevier","doi":"10.1016/S0021-9673(00)85550-8","usgsCitation":"Bagley, G.E., and Cromartie, E., 1973, Elimination pattern of aroclor 1254 components in the bobwhite: Journal of Chromatography, v. 75, no. 2, p. 219-226, https://doi.org/10.1016/S0021-9673(00)85550-8.","productDescription":"8 p.","startPage":"219","endPage":"226","numberOfPages":"8","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197507,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"75","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db605ab0","contributors":{"authors":[{"text":"Bagley, George E.","contributorId":46589,"corporation":false,"usgs":true,"family":"Bagley","given":"George","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":333349,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cromartie, E.","contributorId":13926,"corporation":false,"usgs":true,"family":"Cromartie","given":"E.","email":"","affiliations":[],"preferred":false,"id":333348,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221227,"text":"5221227 - 1973 - DDE effects on reproduction of ring doves","interactions":[],"lastModifiedDate":"2020-05-13T18:03:47.535512","indexId":"5221227","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1555,"text":"Environmental Pollution","active":true,"publicationSubtype":{"id":10}},"title":"DDE effects on reproduction of ring doves","docAbstract":"<p><span>Reproductive performance was measured for 126 days in twelve pairs of ring doves (</span><i>Streptopelia risoria</i><span>) fed a diet containing 40 ppm of p,p'-DDE and in twelve other pairs given untreated food. The DDE-treated doves took an average of&nbsp;</span><span class=\"math\"><span id=\"MathJax-Element-1-Frame\" class=\"MathJax_SVG\" data-mathml=\"<math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;><mtext>2</mtext><mtext>1</mtext><mtext>2</mtext></math>\"><span class=\"MJX_Assistive_MathML\">2 1/2</span></span></span><span>&nbsp;times longer to renest than controls, produced 13·5% fewer eggs/clutch, had 10% thinner eggs, and experienced twice as great mortality of young; all these differences were statistically significant. Hatchability was also lower but not significantly so. Control birds nested forty-nine times during the study, laying two eggs in each clutch. DDE-treated birds nested only thirty-three times, laying an average of 1·7 eggs/clutch. The combined effects of DDE on reproduction resulted in only ten young being successfully raised by DDE-treated pairs versus thirty-five being raised by controls.</span></p>","largerWorkTitle":"","language":"English","publisher":"Elsevier","doi":"10.1016/0013-9327(73)90031-1","usgsCitation":"Haegele, M.A., and Hudson, R.H., 1973, DDE effects on reproduction of ring doves: Environmental Pollution, v. 4, no. 1, p. 53-57, https://doi.org/10.1016/0013-9327(73)90031-1.","productDescription":"5 p.","startPage":"53","endPage":"57","numberOfPages":"5","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197505,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"4","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e53e","contributors":{"authors":[{"text":"Haegele, M. A.","contributorId":107010,"corporation":false,"usgs":true,"family":"Haegele","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":333343,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hudson, R. H.","contributorId":29534,"corporation":false,"usgs":true,"family":"Hudson","given":"R.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":333342,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221229,"text":"5221229 - 1973 - Eggshell thinning, chlorinated hydrocarbons, and mercury in inland aquatic bird eggs, 1969 and 1970","interactions":[],"lastModifiedDate":"2013-03-20T13:08:42","indexId":"5221229","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3038,"text":"Pesticides Monitoring Journal","onlineIssn":" 0031-615","printIssn":" 0031-615","active":true,"publicationSubtype":{"id":10}},"title":"Eggshell thinning, chlorinated hydrocarbons, and mercury in inland aquatic bird eggs, 1969 and 1970","docAbstract":"In the Upper Great Lakes States, 9 out of 13 species of fish-eating birds were found in 1969-70 to have sustained statistically significant decreases in eggshell thickness since 1946.  Maximum changes in a thickness index occurred in great blue herons (-25%), red-breasted mergansers (-23%), common mergansers (-15%). and double-crested cormorants (-15%).  Heron eggs taken in Louisiana generally displayed a smaller post-'46 change than herons in the Middle West.  On a lipid basis, mean PCB- and DDE- residue levels exceeded 100 ppm in 7 out of 13 species in the Great Lakes States, and in 2 of 7 species in Louisiana, the average DDE: PCB ratios in the two regions being 1.25:1 and 3.9:1, respectively.  Individual dieldrin values tended 10 be higher in Louisiana (31.6 and 13.95 ppm in heron species from two different locations), although values reached 10.1 and 9.4 ppm in great blue and black-crowned night herons in Wisconsin.  BHC averaged 3.01 and 0.39 ppm in the Lake States and Louisiana, respectively.  Of eggs examined for mercury. 29% had levels greater than 0.5 ppm, and 9% greater than 1.0 ppm on a wet-weight basis.  Mercury levels in a small sample of eggs from Louisiana were consistently low.  The differences in mercury levels between the two regions thus were similar to those found for the chlorinated hydrocarbons.  While DDE was a prominent factor for most groups, especially herons, in relation to the eggshell thinning observed, dieldrin was also important to two groups even though DDE was present in much higher amounts.  PCB's were also important to mergansers, while mercury was positively correlated with thickness index in grebes and negatively correlated in mergansers.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pesticides Monitoring Journal","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"1504_Faber.pdf","usgsCitation":"Faber, R., and Hickey, J., 1973, Eggshell thinning, chlorinated hydrocarbons, and mercury in inland aquatic bird eggs, 1969 and 1970: Pesticides Monitoring Journal, v. 7, no. 1, p. 27-36.","productDescription":"27-36","startPage":"27","endPage":"36","numberOfPages":"10","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197279,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269753,"type":{"id":11,"text":"Document"},"url":"https://biodiversitylibrary.org/page/26095333"}],"volume":"7","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a25e4b07f02db60ef62","contributors":{"authors":[{"text":"Faber, R.A.","contributorId":19656,"corporation":false,"usgs":true,"family":"Faber","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":333346,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hickey, J.J.","contributorId":57010,"corporation":false,"usgs":true,"family":"Hickey","given":"J.J.","email":"","affiliations":[],"preferred":false,"id":333347,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223469,"text":"5223469 - 1973 - Bird collections in the United States and Canada","interactions":[],"lastModifiedDate":"2017-05-17T10:48:24","indexId":"5223469","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Bird collections in the United States and Canada","docAbstract":"<p>This survey was initiated in 1966 as a project of a subcommittee of the A.O.U.'s Committee on Research, at that time chaired by Paul H. Baldwin. The subcommittee consisted of the authors and Ralph J. Raitt. In 1968 the project was separated from the Committee on Research and the temporary Committee on Collections was established, with the present authors as its members. This paper is the final report of the committee.</p><p>In the past, many studies utilizing museum materials have been handicapped by ignorance of the existence of potentially important specimens. We hoped, by means of this survey, to enable future workers to take full advantage of all available material. The objectives of the survey were to determine the locations of collections of ornithological material with research potential, particularly skins, skeletons, fluid-preserved specimens, eggs, and nests; to assess the sizes and particular geographic or systematic strengths of the various collections; to locate former private collections; to learn what collections include holotypes, and who is responsible for the collections. These basic points are generally well-known for the larger institutions that specialize in maintaining research collections, but not for many smaller collections containing valuable material. The survey was inspired by and patterned after a series made of mammal collections (see Anderson et al. 1963, J. Mammal. 44: 471-500).</p>","language":"English","publisher":"American Ornithological Society","usgsCitation":"Banks, R., Clench, M., and Barlow, J., 1973, Bird collections in the United States and Canada: The Auk, v. 90, no. 1, p. 136-170.","productDescription":"35 p.","startPage":"136","endPage":"170","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199744,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":341423,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/4084022"}],"volume":"90","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2fe4b07f02db6162f4","contributors":{"authors":[{"text":"Banks, Richard C.","contributorId":20440,"corporation":false,"usgs":true,"family":"Banks","given":"Richard C.","affiliations":[],"preferred":false,"id":338822,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clench, M.H.","contributorId":10902,"corporation":false,"usgs":true,"family":"Clench","given":"M.H.","email":"","affiliations":[],"preferred":false,"id":338821,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Barlow, J.C.","contributorId":66814,"corporation":false,"usgs":true,"family":"Barlow","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":338823,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5221228,"text":"5221228 - 1973 - Cadmium, nickel, lead, and zinc in earthworms from roadside soil","interactions":[],"lastModifiedDate":"2023-10-20T16:11:58.227673","indexId":"5221228","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Cadmium, nickel, lead, and zinc in earthworms from roadside soil","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"American Chemical Society","doi":"10.1021/es60083a011","usgsCitation":"Gish, C., and Christensen, R.E., 1973, Cadmium, nickel, lead, and zinc in earthworms from roadside soil: Environmental Science & Technology, v. 7, no. 11, p. 1060-1062, https://doi.org/10.1021/es60083a011.","productDescription":"3 p.","startPage":"1060","endPage":"1062","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197506,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maryland","otherGeospatial":"Baltimore-Washington Parkway, Patuxent Wildlife Research Center, U.S. Highway 1","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -76.76309244894408,\n              39.134192545088354\n            ],\n            [\n              -76.7563069590933,\n              39.130657977400375\n            ],\n            [\n              -76.75046252257987,\n              39.13703543818593\n            ],\n            [\n              -76.7586348278743,\n              39.14172211943969\n     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C.D.","contributorId":21651,"corporation":false,"usgs":true,"family":"Gish","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":333344,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Christensen, R. E.","contributorId":56323,"corporation":false,"usgs":true,"family":"Christensen","given":"R.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":333345,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221233,"text":"5221233 - 1973 - An unusual case of lead poisoning in a whistling swan","interactions":[],"lastModifiedDate":"2012-02-02T00:14:48","indexId":"5221233","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2687,"text":"Maryland Birdlife","active":true,"publicationSubtype":{"id":10}},"title":"An unusual case of lead poisoning in a whistling swan","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Maryland Birdlife","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Locke, L.N., and Young, L.T., 1973, An unusual case of lead poisoning in a whistling swan: Maryland Birdlife, v. 29, no. 3, p. 106-107.","productDescription":"106-107","startPage":"106","endPage":"107","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197589,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e1e4b07f02db5e48b8","contributors":{"authors":[{"text":"Locke, L. N.","contributorId":73539,"corporation":false,"usgs":true,"family":"Locke","given":"L.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333352,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Young, L. T.","contributorId":76420,"corporation":false,"usgs":true,"family":"Young","given":"L.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":333353,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223467,"text":"5223467 - 1973 - Proceedings of the ninetieth stated meeting of the American Ornithologists' Union","interactions":[],"lastModifiedDate":"2017-05-17T10:55:02","indexId":"5223467","displayToPublicDate":"2010-06-16T12:17:55","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Proceedings of the ninetieth stated meeting of the American Ornithologists' Union","docAbstract":"<p>The Ninetieth Stated Meeting of the American Ornithologists' Union was held 14-18 August 1972 at Grand Forks, North Dakota, under the sponsorship of the University of North Dakota and the North Dakota Natural Science Society. Business and technical sessions were held on the campus of the University; some social activities were held at the Westward Ho Motel. Daylong field trips were taken to Lake Itasca, Minnesota, State Park and to saline lakes and prairie potholes in central North Dakota. A longer post-meeting trip to western North Dakota was offered.</p>","language":"English","publisher":"American Ornithological Society","usgsCitation":"Banks, R., 1973, Proceedings of the ninetieth stated meeting of the American Ornithologists' Union: The Auk, v. 90, no. 1, p. 171-189.","productDescription":"19 p.","startPage":"171","endPage":"189","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199742,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":341426,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/4084023"}],"volume":"90","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ee4b07f02db66032d","contributors":{"authors":[{"text":"Banks, Richard C.","contributorId":20440,"corporation":false,"usgs":true,"family":"Banks","given":"Richard C.","affiliations":[],"preferred":false,"id":338819,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5220920,"text":"5220920 - 1973 - [Book review]  The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck","interactions":[],"lastModifiedDate":"2012-10-18T17:16:15","indexId":"5220920","displayToPublicDate":"2010-06-16T12:17:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3778,"text":"Wildlife Review","active":true,"publicationSubtype":{"id":10}},"title":"[Book review]  The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck","docAbstract":"Review of: The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals. Alan M. Beck. Purdue University Press. 1973. West Lafayette, IN. 9781612491424.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wildlife Review","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"U.S. Fish and Wildlife Service","publisherLocation":"Arlington, VA","usgsCitation":"Perry, M., 1973, [Book review]  The Ecology of Stray Dogs: A Study of Free-Ranging Urban Animals, by Alan M. Beck: Wildlife Review, v. 148, p. 48-48.","productDescription":"1 p.","startPage":"48","endPage":"48","numberOfPages":"48","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198671,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"148","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e47b9e4b07f02db4a2164","contributors":{"authors":[{"text":"Perry, Matthew C. 0000-0001-6452-9534","orcid":"https://orcid.org/0000-0001-6452-9534","contributorId":16372,"corporation":false,"usgs":true,"family":"Perry","given":"Matthew C.","affiliations":[],"preferred":false,"id":332684,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70159466,"text":"70159466 - 1973 - Two-garnet rodingite from Amador County, California","interactions":[],"lastModifiedDate":"2015-11-02T12:26:44","indexId":"70159466","displayToPublicDate":"2010-06-15T09:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Two-garnet rodingite from Amador County, California","docAbstract":"<p>Two distinct phases of garnet have been discovered in rodingite from Amador County, Calif. The two garnets are hydrogrossular and (hydro?) grossular-andradite. Only one, generally hydrogrossular, has been reported in rodingitcs studied by other workers. The rodingite of this study formed from a mafic dike with abundant euhedral plagioclase laths. The hydrogrossular is concentrated within the areas of these laths and is volumetrically about as abundant. The (hydro?) grossular-andradite is concentrated in the groundmass and as incursions into the plagioclase laths. The garnets apparently grew during one general episode of metasomatism, and their spatial distribution and compositions were controlled principally by the unequal distribution of iron and aluminum caused by the presence of plagioclase laths (and mafic minerals?) in the original unaltered dike.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Duffield, W.A., and Beeson, M., 1973, Two-garnet rodingite from Amador County, California: Journal of Research of the U.S. Geological Survey, v. 1, no. 6, p. 665-672.","productDescription":"8 p.","startPage":"665","endPage":"672","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":310910,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":310909,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue6/report.pdf","text":"Report","size":"16.01 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","county":"Amador County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -119.94873046875,\n              39.16414104768742\n            ],\n            [\n              -120.10253906249999,\n              39.45316112807394\n            ],\n            [\n              -120.487060546875,\n              39.46164364205549\n            ],\n            [\n              -121.04736328125,\n              39.487084981687495\n            ],\n            [\n              -121.47583007812501,\n              39.232253141714885\n            ],\n            [\n              -121.46484375,\n              38.87392853923629\n            ],\n            [\n              -121.322021484375,\n              38.38472766885085\n            ],\n            [\n              -120.36621093749999,\n              38.28993659801203\n            ],\n            [\n              -119.94873046875,\n              38.61687046392973\n            ],\n            [\n              -119.92675781249999,\n              38.98503278695909\n            ],\n            [\n              -119.94873046875,\n              39.16414104768742\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"1","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5638976fe4b0d6133fe73014","contributors":{"authors":[{"text":"Duffield, W. A.","contributorId":71935,"corporation":false,"usgs":true,"family":"Duffield","given":"W.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":579026,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Beeson, M.H.","contributorId":83118,"corporation":false,"usgs":true,"family":"Beeson","given":"M.H.","email":"","affiliations":[],"preferred":false,"id":579027,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5230250,"text":"5230250 - 1973 - Birds imported into the United States in 1970","interactions":[],"lastModifiedDate":"2012-02-02T00:15:26","indexId":"5230250","displayToPublicDate":"2009-06-09T11:33:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":83,"text":"Special Scientific Report  - Wildlife","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"164","title":"Birds imported into the United States in 1970","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Clapp, R.B., and Banks, R., 1973, Birds imported into the United States in 1970: Special Scientific Report  - Wildlife 164, 102.","productDescription":"102","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":112151,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://hdl.handle.net/2027/mdp.39015077583790?urlappend=%3Bseq=3"},{"id":202934,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2ae4b07f02db612017","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":343841,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Banks, Richard C.","contributorId":20440,"corporation":false,"usgs":true,"family":"Banks","given":"Richard C.","affiliations":[],"preferred":false,"id":343842,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5230252,"text":"5230252 - 1973 - Birds imported into the United States in 1971","interactions":[],"lastModifiedDate":"2012-02-02T00:15:26","indexId":"5230252","displayToPublicDate":"2009-06-09T11:33:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":83,"text":"Special Scientific Report  - Wildlife","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"170","title":"Birds imported into the United States in 1971","docAbstract":"Birds imported into the United States in 1971 are tabulated by species.  Total numbers for the period 1968-1971 are given for the more commonly imported taxa.  The number of birds imported in 1971 increased only slightly over that for.1970.  In 1971, 750 species were imported, of which 194 had not been imported in the previous 3 years; since 1968, approximately 1,445 species have been imported.  Parrots accounted for nearly 25 percent of all birds imported in 1971, compared to only 13.5 percent in 1970. Birds were imported from 63 foreign countries, but more than 90 percent of all birds came from only 10 countries.  The proportion of imported birds presumed to have been raised in captivity decreased in 1971.","language":"English","publisher":"U.S. Fish and Wildlife Service","collaboration":"Updates and revises SSR-W 164  1497_Clapp.pdf","usgsCitation":"Clapp, R.B., and Banks, R., 1973, Birds imported into the United States in 1971: Special Scientific Report  - Wildlife 170, 99.","productDescription":"99","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":112159,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://hdl.handle.net/2027/mdp.39015001470163?urlappend=%3Bseq=111"},{"id":202877,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2ae4b07f02db611fd4","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":343845,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Banks, Richard C.","contributorId":20440,"corporation":false,"usgs":true,"family":"Banks","given":"Richard C.","affiliations":[],"preferred":false,"id":343846,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5230254,"text":"5230254 - 1973 - Mammals imported into the United States in 1971","interactions":[],"lastModifiedDate":"2012-02-02T00:15:23","indexId":"5230254","displayToPublicDate":"2009-06-09T11:33:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":83,"text":"Special Scientific Report  - Wildlife","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"171","title":"Mammals imported into the United States in 1971","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Clapp, R.B., and Paradiso, J., 1973, Mammals imported into the United States in 1971: Special Scientific Report  - Wildlife 171, ii, 52.","productDescription":"ii, 52","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":112161,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://hdl.handle.net/2027/mdp.39015001470163?urlappend=%3Bseq=219"},{"id":202575,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a080","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":343848,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Paradiso, J.L.","contributorId":50634,"corporation":false,"usgs":true,"family":"Paradiso","given":"J.L.","affiliations":[],"preferred":false,"id":343849,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5210373,"text":"5210373 - 1973 - Distribution of red-winged blackbird (Adelaius phoeniceus L.) breeding populations in the Lake Erie region of the United States and Canada","interactions":[],"lastModifiedDate":"2012-02-02T00:15:17","indexId":"5210373","displayToPublicDate":"2009-06-09T09:23:17","publicationYear":"1973","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Distribution of red-winged blackbird (Adelaius phoeniceus L.) breeding populations in the Lake Erie region of the United States and Canada","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Productivity, population dynamics and systematics of granivorous birds","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"PWN-Polish Scientific Publishers","publisherLocation":"Warszawa","collaboration":"OCLC: 874586.  Proceedings of general meeting of the Working Group on Granivorous Birds, held in the Hague, Holland, September 6-8, 1970.  ","usgsCitation":"Dyer, M., Siniff, D., Curtis, S., and Webb, J., 1973, Distribution of red-winged blackbird (Adelaius phoeniceus L.) breeding populations in the Lake Erie region of the United States and Canada, chap. <i>of</i> Productivity, population dynamics and systematics of granivorous birds, p. 213-234.","productDescription":"410","startPage":"213","endPage":"234","numberOfPages":"410","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201313,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6de4b07f02db63f615","contributors":{"editors":[{"text":"Kendeigh, S. Charles","contributorId":113151,"corporation":false,"usgs":true,"family":"Kendeigh","given":"S.","email":"","middleInitial":"Charles","affiliations":[],"preferred":false,"id":506368,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Pinowski, Jan","contributorId":112910,"corporation":false,"usgs":true,"family":"Pinowski","given":"Jan","email":"","affiliations":[],"preferred":false,"id":506367,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Dyer, M.I.","contributorId":87236,"corporation":false,"usgs":true,"family":"Dyer","given":"M.I.","email":"","affiliations":[],"preferred":false,"id":328283,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Siniff, D.B.","contributorId":32869,"corporation":false,"usgs":true,"family":"Siniff","given":"D.B.","affiliations":[],"preferred":false,"id":328281,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Curtis, S.G.","contributorId":7810,"corporation":false,"usgs":true,"family":"Curtis","given":"S.G.","email":"","affiliations":[],"preferred":false,"id":328280,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Webb, J.S.","contributorId":77253,"corporation":false,"usgs":true,"family":"Webb","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":328282,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5210170,"text":"5210170 - 1973 - Pesticide residues in birds and mammals","interactions":[],"lastModifiedDate":"2012-02-02T00:15:19","indexId":"5210170","displayToPublicDate":"2009-06-09T09:23:16","publicationYear":"1973","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Pesticide residues in birds and mammals","docAbstract":"SUMMARY:  Residues of organochlorine pesticides and their breakdown products are present in the tissues of essentially all wild birds throughout the world. These chemicals accumulate in fat from a relatively small environmental exposure. DDE and dieldrin are most prevalent. Others, such as heptachlor epoxide, chlordane, endrin, and benzene hexachloride also occur, the quantities and kinds generally reflecting local or regional use. Accumulation may be sufficient to kill animals following applications for pest control. This has occurred in several large-scale programmes in the United States. Mortality has also resulted from unintentional leakage of chemical from commercial establishments.      Residues may persist in the environment for many years, exposing successive generations of animals. In general, birds that eat other birds, or fish, have higher residues than those that eat seeds and vegetation.      The kinetic processes of absorption, metabolism, storage, and output differ according to both kind of chemical and species of animal. When exposure is low and continuous, a balance between intake and excretion may be achieved. Residues reach a balance at an approximate animal body equilibrium or plateau; the storage is generally proportional to dose. Experiments with chickens show that dieldrin and heptachlor epoxide have the greatest propensity for storage, endrin next, then DDT, then lindane. The storage of DDT was complicated by its metabolism to DDE and DDD, but other studies show that DDE has a much greater propensity for storage than either DDD or DDT. Methoxychlor has little cumulative capacity in birds.      Residues in eggs reflect and parallel those in the parent bird during accumulation, equilibrium, and decline when dosage is discontinued.     Residues with the greatest propensity for storage are also lost most slowly.  Rate of loss of residues can be modified by dietary components and is speeded by weight loss of the animal.      Under sublethal conditions of continuous exposure to an organochlorine pesticide, the concentrations of residues in the different tissues are ordinarily directly correlated with each other. When the dosage is at lethal levels, or when stored residues are mobilised to lethal levels, the balanced relationship is disrupted. The concentrations of residues in the brain provide the most rigorous criteria for diagnosis of death due to these chemicals, and levels are generally similar across a wide range of species of birds and mammals. Residues in liver are closely correlated with recent dose, either from direct intake or from mobilisation from storage, and so reflect hazardous exposure. Residues in the whole carcass show the storage reserve, and so indicate the potential for adverse effects from lethal mobilisation or from the continuous slow mobilisation that occurs during the normal processes of metabolism and excretion.      A synchronous, rapid, and widespread decline in weight and thickness of shells of eggs laid by many species of wild birds occurred in the late 1940's and has persisted. Birds of prey were primarily affected; exceptions apparently are the result of lesser exposure because of different food habits. Many species of fish-eating birds are also affected. Others, however, appear to be more resistant and to accumulate much higher residues before shell-thinning occurs. Seed-eating birds do not appear to have been generally affected; their exposure is ordinarily lower, but physiological factors also seem to be involved. A relationship between shell-thinning and population decline has been established for many species. In exceptional cases, such as the herring gull, persistent re-nesting and other population reactions have overcome adverse effects at the population level.      The discovery of shell-thinning among natural populations, and the hypothesis that this thinning was related to the occurrence of organochlorine pesticides, stimulated experimental studies to determine wheth","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Environmental Pollution by Pesticides","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Plenum Press","publisherLocation":"London and New York","usgsCitation":"Stickel, L., 1973, Pesticide residues in birds and mammals, chap. <i>of</i> Environmental Pollution by Pesticides, p. 254-312.","productDescription":"x, 542","startPage":"254","endPage":"312","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201458,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a52c7","contributors":{"editors":[{"text":"Edwards, C.A.","contributorId":53350,"corporation":false,"usgs":true,"family":"Edwards","given":"C.A.","email":"","affiliations":[],"preferred":false,"id":506085,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Stickel, L.F.","contributorId":41095,"corporation":false,"usgs":true,"family":"Stickel","given":"L.F.","email":"","affiliations":[],"preferred":false,"id":327900,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70039512,"text":"70039512 - 1973 - Ground control requirements for precision processing of ERTS images","interactions":[],"lastModifiedDate":"2012-08-11T01:01:51","indexId":"70039512","displayToPublicDate":"2008-01-29T15:49:00","publicationYear":"1973","noYear":false,"publicationType":{"id":4,"text":"Book"},"publicationSubtype":{"id":12,"text":"Conference publication"},"title":"Ground control requirements for precision processing of ERTS images","docAbstract":"With the successful flight of the ERTS-1 satellite, orbital height images are available for precision processing into products such as 1:1,000,000-scale photomaps and enlargements up to 1:250,000 scale. In order to maintain positional error below 100 meters, control points for the precision processing must be carefully selected, clearly definitive on photos in both X and Y. Coordinates of selected control points measured on existing &frac12; and 15-minute standard maps provide sufficient accuracy for any space imaging system thus far defined. This procedure references the points to accepted horizontal and vertical datums. Maps as small as 1:250,000 scale can be used as source material for coordinates, but to maintain the desired accuracy, maps of 1:100,000 and larger scale should be used when available.","conferenceTitle":"XII Pan American Consultation on Cartography, Pan American Institute of Geography and History","conferenceLocation":"Panama, Panama","usgsCitation":"Burger, T.C., 1973, Ground control requirements for precision processing of ERTS images, 13 p.","productDescription":"13 p.","numberOfPages":"15","costCenters":[{"id":587,"text":"Topographic Division","active":false,"usgs":true}],"links":[{"id":261640,"rank":800,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/confpub/70039512/report.pdf"},{"id":261641,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/confpub/70039512/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a2a8ee4b0c8380cd5b28a","contributors":{"authors":[{"text":"Burger, Thomas C.","contributorId":64500,"corporation":false,"usgs":true,"family":"Burger","given":"Thomas","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":466399,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70011095,"text":"70011095 - 1973 - Sea level history in Beringia during the past 250,000 years","interactions":[],"lastModifiedDate":"2025-07-11T16:12:15.320931","indexId":"70011095","displayToPublicDate":"2004-11-19T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3218,"text":"Quaternary Research","active":true,"publicationSubtype":{"id":10}},"title":"Sea level history in Beringia during the past 250,000 years","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif\"><div id=\"aep-abstract-id3\" class=\"abstract author\"><div id=\"aep-abstract-sec-id4\"><p>This paper attempts to relate current knowledge of sea-level history in Beringia to the Broecker-van Donk “Termination” concept of climatic and sea-level history. The Einahnuhtan transgression is thought to represent Termination III, which according to Broecker and van Donk, took place about 225,000 y.a. The Kotzebuan transgression is thought to represent a positive fluctuation that modulated the generally falling sea level during the ensuing 100,000 yr. Sea level probably fell to about −135 m in the Bering Sea area during the maximum phase of the penultimate glaciation. The two Pelukian shorelines probably represent Termination II (about 125,000 yr BP in the Broecker-van Donk chronology) and one of the two positive fluctuations that modulated the generally falling sea level of early Wisconsinan time, about 105,000 and 80,000 y.a. according to Broecker and van Donk. Another positive modulation brought sea level to at least −20 m, about 30,000 y.a. Sea level evidently fell to between −90 and −100 m during the late Wisconsinan regression, but a substantial part of the outer Bering shelf remained submerged. Submerged shoreline features at −38m, −30 m, −24 to −20 m, and −12 to −10 m represent stillstands or slight regressions that modulated Termination I, the late Wisconsinan, and early Holocene recovery of sea level.</p></div></div></div><ul id=\"issue-navigation\" class=\"issue-navigation u-margin-s-bottom u-bg-grey1\"></ul>","language":"English","publisher":"Elsevier","doi":"10.1016/0033-5894(73)90029-X","issn":"00335894","usgsCitation":"Hopkins, D., 1973, Sea level history in Beringia during the past 250,000 years: Quaternary Research, v. 3, no. 4, p. 520-540, https://doi.org/10.1016/0033-5894(73)90029-X.","productDescription":"21 p.","startPage":"520","endPage":"540","costCenters":[],"links":[{"id":221351,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Bering Sea","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -187.92108784820468,\n              57.753860819127766\n            ],\n            [\n              -184.6346766574264,\n              51.45946616887085\n            ],\n            [\n              -153.93600988981075,\n              51.45946616887085\n            ],\n            [\n              -146.23409206981916,\n              60.248846784571924\n            ],\n            [\n              -153.93600988981075,\n              62.05442009056344\n            ],\n            [\n              -167.58123469552828,\n              66.14355709738953\n            ],\n            [\n              -187.92108784820468,\n              57.753860819127766\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"3","issue":"4","noUsgsAuthors":false,"publicationDate":"2017-01-20","publicationStatus":"PW","scienceBaseUri":"505b87e9e4b08c986b316706","contributors":{"authors":[{"text":"Hopkins, D.M.","contributorId":103646,"corporation":false,"usgs":true,"family":"Hopkins","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":360268,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70010159,"text":"70010159 - 1973 - Pleistocene succession of the central interior United States","interactions":[],"lastModifiedDate":"2025-07-11T16:20:48.929459","indexId":"70010159","displayToPublicDate":"2004-11-19T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3218,"text":"Quaternary Research","active":true,"publicationSubtype":{"id":10}},"title":"Pleistocene succession of the central interior United States","docAbstract":"<p>The Quaternary of the continental interior of the United States is characterized by deposits from glacial ice, with associated outwash and eolian deposits, and by alluvial deposits produced by the same climatic pulses. Erosional incision of valleys occurred early in the glacial pulse, outwash deposition during the waning phase of the pulse, and soil formation during times of relative stability between the glacial pulses. These features of deposition, erosion, and soil formation are presented in a series of curves. One way the marine record could be correlated with that of the continental interior is to compare and match the physical records of both environments.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/0033-5894(73)90046-X","issn":"00335894","usgsCitation":"Frye, J., 1973, Pleistocene succession of the central interior United States: Quaternary Research, v. 3, no. 2, p. 275-283, https://doi.org/10.1016/0033-5894(73)90046-X.","productDescription":"9 p.","startPage":"275","endPage":"283","costCenters":[],"links":[{"id":219510,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"central interior","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -104.53493775416565,\n              48.22990191093726\n            ],\n            [\n              -104.53493775416565,\n              34.60571713352289\n            ],\n            [\n              -88.05694292153164,\n              34.60571713352289\n            ],\n            [\n              -88.05694292153164,\n              48.22990191093726\n            ],\n            [\n              -104.53493775416565,\n              48.22990191093726\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"3","issue":"2","noUsgsAuthors":false,"publicationDate":"2017-01-20","publicationStatus":"PW","scienceBaseUri":"505a7c54e4b0c8380cd79913","contributors":{"authors":[{"text":"Frye, J.C.","contributorId":35067,"corporation":false,"usgs":true,"family":"Frye","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":358157,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70010020,"text":"70010020 - 1973 - Structure of the crust in the conterminous United States","interactions":[],"lastModifiedDate":"2025-08-29T15:56:01.717922","indexId":"70010020","displayToPublicDate":"2003-04-11T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Structure of the crust in the conterminous United States","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif\"><div id=\"abs1\" class=\"abstract author\"><div id=\"ceabs10\"><p id=\"spara20\"><span>On the basis of the newest interpretations of all sufficiently long seismic profiles, a contour map of the Mohorovičić discontinuity for the conterminous United States is compiled. Differences from earlier interpretations are discussed.</span></p></div></div></div><ul id=\"issue-navigation\" class=\"issue-navigation u-margin-s-bottom u-bg-grey1\"></ul>","language":"English","publisher":"Elsevier","doi":"10.1016/0040-1951(73)90108-X","usgsCitation":"Warren, D.H., and Healy, J.H., 1973, Structure of the crust in the conterminous United States: Tectonophysics, v. 20, no. 1-4, p. 203-213, https://doi.org/10.1016/0040-1951(73)90108-X.","productDescription":"11 p.","startPage":"203","endPage":"213","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":219343,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"conterminous United States","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"geometry\": {\n        \"type\": \"MultiPolygon\",\n        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H.","contributorId":48968,"corporation":false,"usgs":true,"family":"Healy","given":"J.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":357705,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70010096,"text":"70010096 - 1973 - Mechanisms of high-temperature, solid-state flow in minerals and ceramics and their bearing on the creep behavior of the mantle","interactions":[],"lastModifiedDate":"2025-08-29T16:00:39.157525","indexId":"70010096","displayToPublicDate":"2003-04-11T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Mechanisms of high-temperature, solid-state flow in minerals and ceramics and their bearing on the creep behavior of the mantle","docAbstract":"<p>The problem of applying laboratory silicate-flow data to the mantle, where conditions can be vastly different, is approached through a critical review of high-temperature flow mechanisms in ceramics and their relation to empirical flow laws. The intimate association of solid-state diffusion and high-temperature creep in pure metals is found to apply to ceramics as well. It is shown that in ceramics of moderate grain size, compared on the basis of self-diffusivity and elastic modulus, normalized creep rates compare remarkably well. This comparison is paralleled by the near universal occurrence of similar creep-induced structures, and it is thought that the derived empirical flow laws can be associated with dislocation creep. Creep data in fine-grained ceramics, on the other hand, are found to compare poorly with theories involving the stress-directed diffusion of point defects and have not been successfully correlated by self-diffusion rates.</p><p>We conclude that these fine-grained materials creep primarily by a quasi-viscous grain-boundary sliding mechanism which is unlikely to predominate in the earth's deep interior. Creep predictions for the mantle reveal that under most conditions the empirical dislocation creep behavior predominates over the mechanisms involving the stress-directed diffusion of point defects. The probable role of polymorphic transformations in the transition zone is also discussed.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/0040-1951(73)90038-3","issn":"00401951","usgsCitation":"Kirby, S.H., and Raleigh, C., 1973, Mechanisms of high-temperature, solid-state flow in minerals and ceramics and their bearing on the creep behavior of the mantle: Tectonophysics, v. 19, no. 2, p. 165-194, https://doi.org/10.1016/0040-1951(73)90038-3.","productDescription":"30 p.","startPage":"165","endPage":"194","costCenters":[],"links":[{"id":219667,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a536fe4b0c8380cd6caaa","contributors":{"authors":[{"text":"Kirby, Stephen H. 0000-0003-1636-4688 skirby@usgs.gov","orcid":"https://orcid.org/0000-0003-1636-4688","contributorId":2752,"corporation":false,"usgs":true,"family":"Kirby","given":"Stephen","email":"skirby@usgs.gov","middleInitial":"H.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":357887,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Raleigh, C.B.","contributorId":40219,"corporation":false,"usgs":true,"family":"Raleigh","given":"C.B.","email":"","affiliations":[],"preferred":false,"id":357886,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70009879,"text":"70009879 - 1973 - Spectrophotometric procedure using rhodamine B for determination of submicrogram quantities of antimony in rocks","interactions":[],"lastModifiedDate":"2025-08-13T16:22:20.19696","indexId":"70009879","displayToPublicDate":"2001-10-25T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3517,"text":"Talanta","active":true,"publicationSubtype":{"id":10}},"title":"Spectrophotometric procedure using rhodamine B for determination of submicrogram quantities of antimony in rocks","docAbstract":"<div id=\"aep-abstract-id4\" class=\"abstract author\"><div id=\"aep-abstract-sec-id5\"><p>A spectrophotometric procedure using Rhodamine B is given for the determination of antimony in mineralized rocks after its separation as stibine. A study of the Rhodamine B reaction points to the importance of the order of addition of reagents in enhancing sensitivity and increasing the stability of the system. The tolerance of some 26 elements is established for the overall procedure. Although the limit of determination is approximately 0·5 ppm Sb in a 0·2-g sample, the procedure is intended primarily for screening samples containing more than 1 ppm Sb. In pure solutions 0·1 μg of antimony can be determined with a relative standard deviation of 25%. For &gt;0·2 μg of antimony a relative standard deviation of 15% or less can be expected.</p></div></div>","language":"English","publisher":"Elsevier","doi":"10.1016/0039-9140(73)80264-4","issn":"00399140","usgsCitation":"Schnepfe, M.M., 1973, Spectrophotometric procedure using rhodamine B for determination of submicrogram quantities of antimony in rocks: Talanta, v. 20, no. 2, p. 175-184, https://doi.org/10.1016/0039-9140(73)80264-4.","productDescription":"10 p.","startPage":"175","endPage":"184","costCenters":[],"links":[{"id":219334,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b95ace4b08c986b31b04a","contributors":{"authors":[{"text":"Schnepfe, Marian M.","contributorId":98782,"corporation":false,"usgs":true,"family":"Schnepfe","given":"Marian","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":357346,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":62078,"text":"a3 - 1973 - Reconnaissance geologic map of the Buckley Island Quadrangle, Transantarctic Mountains, Antarctica","interactions":[],"lastModifiedDate":"2012-02-10T00:10:45","indexId":"a3","displayToPublicDate":"1994-01-01T01:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":305,"text":"Antarctic Map","code":"A","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"3","title":"Reconnaissance geologic map of the Buckley Island Quadrangle, Transantarctic Mountains, Antarctica","language":"ENGLISH","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/a3","usgsCitation":"Barrett, P.J., and Elliot, D.H., 1973, Reconnaissance geologic map of the Buckley Island Quadrangle, Transantarctic Mountains, Antarctica: U.S. Geological Survey Antarctic Map 3, 1 Sheet, 28 x 30 1/2 inches, https://doi.org/10.3133/a3.","productDescription":"1 Sheet, 28 x 30 1/2 inches","costCenters":[],"links":[{"id":112496,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://repository.agic.umn.edu/maps/usgs/geologic/a3_buckley_island/","linkFileType":{"id":5,"text":"html"}},{"id":248272,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/a/03/report.pdf","size":"42","linkFileType":{"id":1,"text":"pdf"}},{"id":248273,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/a/03/plate-1.pdf","size":"3190","linkFileType":{"id":1,"text":"pdf"}},{"id":253086,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/a/03/report-thumb.jpg"}],"scale":"250000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 154,-84 ], [ 154,-8.833333333333334 ], [ 165,-8.833333333333334 ], [ 165,-84 ], [ 154,-84 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a72e4b07f02db6431ae","contributors":{"authors":[{"text":"Barrett, Peter J.","contributorId":22626,"corporation":false,"usgs":true,"family":"Barrett","given":"Peter","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":266879,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Elliot, David H.","contributorId":51597,"corporation":false,"usgs":true,"family":"Elliot","given":"David","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":266880,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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