{"pageNumber":"7126","pageRowStart":"178125","pageSize":"25","recordCount":184884,"records":[{"id":70215624,"text":"70215624 - 1949 - Hawaiian petrographic province ","interactions":[],"lastModifiedDate":"2020-10-26T17:27:31.887356","indexId":"70215624","displayToPublicDate":"1949-10-26T12:21:03","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1723,"text":"GSA Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Hawaiian petrographic province ","docAbstract":"<p>The lavas of the Hawaiian Islands range from mafic picrite-basalts and melilite-nepheline basalts to salic trachytes. Olivine basalt, by far the most abundant type, is regarded as representing the parent magma of the Hawaiian province. Closely associated with the olivine basalts are basalts, and picrite-basalts with many large phenocrysts of olivine. Further differentiation results in eruption of andesine andesite, oligoclase andesite, picritebasalt with abundant large augite phenocrysts, and more rarely trachyte. Following a long period of quiescence there have been erupted on some islands nepheline basanite, nepheline basalt, melilite-nepheline basalt, “linosaite,” and a third type of picrite-basalt. The mineral and chemical composition of the various rock types, and their distribution on the individual islands, are described.</p><p>Starting with olivine basalt as the parent magma means of deriving the other rock types are considered. It is concluded that crystal differentiation has been the principal process, although assimilation of limestone may also have been important. The parts played by gaseous transfer and selective remelting are difficult to evaluate, though both probably operated to some extent.</p><p>Comparison of the types of igneous rocks in the Hawaiian province with those recorded from other Pacific islands shows that the rocks throughout the true Pacific Basin are, for the most part, closely similar, and suggests essential uniformity of parent magma and petrogenic processes throughout the Pacific Basin.</p>","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1949)60[1541:HPP]2.0.CO;2","usgsCitation":"Macdonald, G.A., 1949, Hawaiian petrographic province : GSA Bulletin, v. 60, no. 10, p. 1541-1596, https://doi.org/10.1130/0016-7606(1949)60[1541:HPP]2.0.CO;2.","productDescription":"56 p.","startPage":"1541","endPage":"1596","costCenters":[],"links":[{"id":379768,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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A.","contributorId":86824,"corporation":false,"usgs":true,"family":"Macdonald","given":"G.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":803028,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215623,"text":"70215623 - 1949 - Cannel, boghead, torbanite, oil shale","interactions":[],"lastModifiedDate":"2020-10-26T16:50:31.595048","indexId":"70215623","displayToPublicDate":"1949-10-26T11:45:07","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Cannel, boghead, torbanite, oil shale","docAbstract":"<p><span>The gradational interrelationship of coal with cannel, boghead, torbanite, and oil shale is reemphasized in view of contrary opinions expressed recently. An example from South Africa that has recently been studied in some detail is cited in illustration of how closely coal and torbanite may be related. The scientific classification of the carbonaceous rocks requires a broader basis of comparison than is generally adopted; authoritative statements cannot have very much weight unless supported by more correlated data than exist now.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.1.68","usgsCitation":"Schopf, J.M., 1949, Cannel, boghead, torbanite, oil shale: Economic Geology, v. 44, no. 1, p. 68-71, https://doi.org/10.2113/gsecongeo.44.1.68.","productDescription":"4 p.","startPage":"68","endPage":"71","costCenters":[],"links":[{"id":379767,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"1","noUsgsAuthors":false,"publicationDate":"1949-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Schopf, James Morton","contributorId":67870,"corporation":false,"usgs":true,"family":"Schopf","given":"James","email":"","middleInitial":"Morton","affiliations":[],"preferred":false,"id":803027,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215622,"text":"70215622 - 1949 - Geology and ground water of the Azapa valley, province of tarapaca, Chile","interactions":[],"lastModifiedDate":"2020-10-26T16:41:35.452909","indexId":"70215622","displayToPublicDate":"1949-10-26T11:33:58","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Geology and ground water of the Azapa valley, province of tarapaca, Chile","docAbstract":"<div class=\"article-section-wrapper js-article-section js-content-section  \"><p>In the Azapa valley, Chile, Pleistocene and Recent alluvial fill, composed of intercalated lenses of clay, silt, sand, and gravel, contains a zone of saturation that is sustained by infiltration from floods of the San Jose river, from December through March.</p></div>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.1.40","usgsCitation":"Taylor, G., 1949, Geology and ground water of the Azapa valley, province of tarapaca, Chile: Economic Geology, v. 44, no. 1, p. 40-62, https://doi.org/10.2113/gsecongeo.44.1.40.","productDescription":"23 p.","startPage":"40","endPage":"62","costCenters":[],"links":[{"id":379766,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Chile","otherGeospatial":"Azapa Valley","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.16943359375,\n              -19.87005983797395\n            ],\n            [\n              -66.51123046875,\n              -19.87005983797395\n            ],\n            [\n              -66.51123046875,\n              -17.287709050621917\n            ],\n            [\n              -71.16943359375,\n              -17.287709050621917\n            ],\n            [\n              -71.16943359375,\n              -19.87005983797395\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"44","issue":"1","noUsgsAuthors":false,"publicationDate":"1949-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Taylor, George C.","contributorId":45693,"corporation":false,"usgs":true,"family":"Taylor","given":"George C.","affiliations":[],"preferred":false,"id":803026,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215520,"text":"70215520 - 1949 - Lower middle ordovician of south-central Pennsylvania ","interactions":[],"lastModifiedDate":"2020-10-21T20:25:57.676062","indexId":"70215520","displayToPublicDate":"1949-10-21T15:20:30","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1723,"text":"GSA Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Lower middle ordovician of south-central Pennsylvania ","docAbstract":"<p>Broad paleostructural development in south-central Pennsylvania and Maryland was similar to that of central and eastern New York during the deposition of lower Middle Ordovician beds. Thick marine limestones of the easternmost belts of outcrop in the Cumberland Valley indicate the southward extension of the Champlain miogeosyncline. Thin and, in part, coarse-textured limestones in belts of outcrop just west of the Cumberland Valley indicate the extension of the Adirondack arch. Intermediate correlation shows the development of a relatively shallow platform east of the Adirondack arch and marginal to the Champlain miogeosyncline during part of the Bolarian (Kay, 1947) and Trentonian epochs.</p><p>Detailed description, definition and correlation of the stratigraphic units are presented. The Pinesburg and Fannettsburg members (new) of the Shippensburg formation (redefined), the Housum and Kauffman members (new) of the Mercersburg formation (redefined), the Oranda formation (Cooper and Cooper, 1946) and the lower Martinsburg exhibit westward thinning by overlap or convergence or both from Champlain miogeosynclinal sections in eastern belts to sections on the Adirondack line in Path Valley. The Doylesburg member (new) of the Shippensburg is believed truncated to extinction southeastward from Path Valley by pre-Mercersburg regional unconformity. Argillaceous material in southeasternmost exposures of Oranda begins the Middle Ordovician transgressive clastic deposits resulting from the Vermontian disturbance.</p><p>Correlations indicate Shippensburg is post-middle Chazyan to pre-Chaumont in age, Mercersburg is Rockland and Kirkfield, Oranda is Shoreham, and lower Martinsburg is Denmark.</p>","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1949)60[707:LMOOSP]2.0.CO;2","usgsCitation":"Craig, L., 1949, Lower middle ordovician of south-central Pennsylvania : GSA Bulletin, v. 60, no. 4, p. 707-779, https://doi.org/10.1130/0016-7606(1949)60[707:LMOOSP]2.0.CO;2.","productDescription":"73 p.","startPage":"707","endPage":"779","costCenters":[],"links":[{"id":379611,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Pennsylvania","otherGeospatial":"South Central Pennsylvania","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -78.9202880859375,\n              39.52946653645165\n            ],\n            [\n              -77.58544921874999,\n              39.52946653645165\n            ],\n            [\n              -77.58544921874999,\n              40.421860362045194\n            ],\n            [\n              -78.9202880859375,\n              40.421860362045194\n            ],\n            [\n              -78.9202880859375,\n              39.52946653645165\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"60","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Craig, Lawrence C.","contributorId":67085,"corporation":false,"usgs":true,"family":"Craig","given":"Lawrence C.","affiliations":[],"preferred":false,"id":802577,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215519,"text":"70215519 - 1949 - Geologic mapping in the United States ","interactions":[],"lastModifiedDate":"2020-10-21T20:19:03.660888","indexId":"70215519","displayToPublicDate":"1949-10-21T15:10:36","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1723,"text":"GSA Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Geologic mapping in the United States ","docAbstract":"<p><span>An inventory of geologic mapping in the continental United States shows the areal extent of published geologic maps, differentiated by scales, and gives the results of calculations of the approximate number of square miles geologically mapped in each State on several scales, with separate figures for the maps published since 1919. Several graphs compare the progress of geologic mapping in the different States and in different countries.</span></p>","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1949)60[1125:GMITUS]2.0.CO;2","usgsCitation":"Boardman, L., 1949, Geologic mapping in the United States : GSA Bulletin, v. 960, no. 7, p. 1125-1132, https://doi.org/10.1130/0016-7606(1949)60[1125:GMITUS]2.0.CO;2.","productDescription":"8 p.","startPage":"1125","endPage":"1132","costCenters":[],"links":[{"id":379610,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[-66.28243,18.51476],[-65.7713,18.42668],[-65.591,18.22803],[-65.84716,17.97591],[-66.59993,17.98182],[-67.18416,17.94655],[-67.24243,18.37446],[-67.10068,18.5206],[-66.28243,18.51476]]],[[[-155.54211,19.08348],[-155.68817,18.91619],[-155.93665,19.05939],[-155.90806,19.33888],[-156.07347,19.70294],[-156.02368,19.81422],[-155.85008,19.97729],[-155.91907,20.17395],[-155.86108,20.26721],[-155.78505,20.2487],[-155.40214,20.07975],[-155.22452,19.99302],[-155.06226,19.8591],[-154.80741,19.50871],[-154.83147,19.45328],[-155.22217,19.23972],[-155.54211,19.08348]]],[[[-156.07926,20.64397],[-156.41445,20.57241],[-156.58673,20.783],[-156.70167,20.8643],[-156.71055,20.92676],[-156.61258,21.01249],[-156.25711,20.91745],[-155.99566,20.76404],[-156.07926,20.64397]]],[[[-156.75824,21.17684],[-156.78933,21.06873],[-157.32521,21.09777],[-157.25027,21.21958],[-156.75824,21.17684]]],[[[-157.65283,21.32217],[-157.70703,21.26442],[-157.7786,21.27729],[-158.12667,21.31244],[-158.2538,21.53919],[-158.29265,21.57912],[-158.0252,21.71696],[-157.94161,21.65272],[-157.65283,21.32217]]],[[[-159.34512,21.982],[-159.46372,21.88299],[-159.80051,22.06533],[-159.74877,22.1382],[-159.5962,22.23618],[-159.36569,22.21494],[-159.34512,21.982]]],[[[-94.81758,49.38905],[-94.64,48.84],[-94.32914,48.67074],[-93.63087,48.60926],[-92.61,48.45],[-91.64,48.14],[-90.83,48.27],[-89.6,48.01],[-89.27292,48.01981],[-88.37811,48.30292],[-87.43979,47.94],[-86.46199,47.55334],[-85.65236,47.22022],[-84.87608,46.90008],[-84.77924,46.6371],[-84.54375,46.53868],[-84.6049,46.4396],[-84.3367,46.40877],[-84.14212,46.51223],[-84.09185,46.27542],[-83.89077,46.11693],[-83.61613,46.11693],[-83.46955,45.99469],[-83.59285,45.81689],[-82.55092,45.34752],[-82.33776,44.44],[-82.13764,43.57109],[-82.43,42.98],[-82.9,42.43],[-83.12,42.08],[-83.142,41.97568],[-83.02981,41.8328],[-82.69009,41.67511],[-82.43928,41.67511],[-81.27775,42.20903],[-80.24745,42.3662],[-78.93936,42.86361],[-78.92,42.965],[-79.01,43.27],[-79.17167,43.46634],[-78.72028,43.62509],[-77.73789,43.62906],[-76.82003,43.62878],[-76.5,44.01846],[-76.375,44.09631],[-75.31821,44.81645],[-74.867,45.00048],[-73.34783,45.00738],[-71.50506,45.0082],[-71.405,45.255],[-71.08482,45.30524],[-70.66,45.46],[-70.305,45.915],[-69.99997,46.69307],[-69.23722,47.44778],[-68.905,47.185],[-68.23444,47.35486],[-67.79046,47.06636],[-67.79134,45.70281],[-67.13741,45.13753],[-66.96466,44.8097],[-68.03252,44.3252],[-69.06,43.98],[-70.11617,43.68405],[-70.64548,43.09024],[-70.81489,42.8653],[-70.825,42.335],[-70.495,41.805],[-70.08,41.78],[-70.185,42.145],[-69.88497,41.92283],[-69.96503,41.63717],[-70.64,41.475],[-71.12039,41.49445],[-71.86,41.32],[-72.295,41.27],[-72.87643,41.22065],[-73.71,40.9311],[-72.24126,41.11948],[-71.945,40.93],[-73.345,40.63],[-73.982,40.628],[-73.95232,40.75075],[-74.25671,40.47351],[-73.96244,40.42763],[-74.17838,39.70926],[-74.90604,38.93954],[-74.98041,39.1964],[-75.20002,39.24845],[-75.52805,39.4985],[-75.32,38.96],[-75.07183,38.78203],[-75.05673,38.40412],[-75.37747,38.01551],[-75.94023,37.21689],[-76.03127,37.2566],[-75.72205,37.93705],[-76.23287,38.31921],[-76.35,39.15],[-76.54272,38.71762],[-76.32933,38.08326],[-76.99,38.23999],[-76.30162,37.91794],[-76.25874,36.9664],[-75.9718,36.89726],[-75.86804,36.55125],[-75.72749,35.55074],[-76.36318,34.80854],[-77.39763,34.51201],[-78.05496,33.92547],[-78.55435,33.86133],[-79.06067,33.49395],[-79.20357,33.15839],[-80.30132,32.50935],[-80.86498,32.0333],[-81.33629,31.44049],[-81.49042,30.72999],[-81.31371,30.03552],[-80.98,29.18],[-80.53558,28.47213],[-80.53,28.04],[-80.05654,26.88],[-80.08801,26.20576],[-80.13156,25.81677],[-80.38103,25.20616],[-80.68,25.08],[-81.17213,25.20126],[-81.33,25.64],[-81.71,25.87],[-82.24,26.73],[-82.70515,27.49504],[-82.85526,27.88624],[-82.65,28.55],[-82.93,29.1],[-83.70959,29.93656],[-84.1,30.09],[-85.10882,29.63615],[-85.28784,29.68612],[-85.7731,30.15261],[-86.4,30.4],[-87.53036,30.27433],[-88.41782,30.3849],[-89.18049,30.31598],[-89.59383,30.15999],[-89.41373,29.89419],[-89.43,29.48864],[-89.21767,29.29108],[-89.40823,29.15961],[-89.77928,29.30714],[-90.15463,29.11743],[-90.88022,29.14854],[-91.62678,29.677],[-92.49906,29.5523],[-93.22637,29.78375],[-93.84842,29.71363],[-94.69,29.48],[-95.60026,28.73863],[-96.59404,28.30748],[-97.14,27.83],[-97.37,27.38],[-97.38,26.69],[-97.33,26.21],[-97.14,25.87],[-97.53,25.84],[-98.24,26.06],[-99.02,26.37],[-99.3,26.84],[-99.52,27.54],[-100.11,28.11],[-100.45584,28.69612],[-100.9576,29.38071],[-101.6624,29.7793],[-102.48,29.76],[-103.11,28.97],[-103.94,29.27],[-104.45697,29.57196],[-104.70575,30.12173],[-105.03737,30.64402],[-105.63159,31.08383],[-106.1429,31.39995],[-106.50759,31.75452],[-108.24,31.75485],[-108.24194,31.34222],[-109.035,31.34194],[-111.02361,31.33472],[-113.30498,32.03914],[-114.815,32.52528],[-114.72139,32.72083],[-115.99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States\"}}]}","volume":"960","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Boardman, Leona","contributorId":43406,"corporation":false,"usgs":true,"family":"Boardman","given":"Leona","email":"","affiliations":[],"preferred":false,"id":802576,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215517,"text":"70215517 - 1949 - Annual floods and the partial‐duration flood series","interactions":[],"lastModifiedDate":"2021-03-18T17:01:06.926126","indexId":"70215517","displayToPublicDate":"1949-10-21T15:07:39","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Annual floods and the partial‐duration flood series","docAbstract":"<p><span>Flood data are ordinarily listed either in annual‐flood series or in a partial‐duration series. If the expectancy of a flood in the duration series ϵ is known, then the probability of that flood being an annual flood is shown to be e</span><sup>−ϵ</sup><span>. From this relationship it is possible to transform recurrence intervals in the partial duration series to those in the annual‐flood series. It is shown that for equivalent floods, the recurrence intervals in the partial‐duration series are smaller than in the annual‐flood series, but that the difference becomes inconsequential for floods greater than about five‐year recurrence interval.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i006p00879","usgsCitation":"Langbein, W., 1949, Annual floods and the partial‐duration flood series: Eos, Transactions, American Geophysical Union, v. 30, no. 6, p. 879-881, https://doi.org/10.1029/TR030i006p00879.","productDescription":"3 p.","startPage":"879","endPage":"881","costCenters":[],"links":[{"id":379763,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"6","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Langbein, Walter B.","contributorId":98294,"corporation":false,"usgs":true,"family":"Langbein","given":"Walter B.","affiliations":[],"preferred":false,"id":803025,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215516,"text":"70215516 - 1949 - Cleavage in east‐central Vermont","interactions":[],"lastModifiedDate":"2020-10-21T20:02:10.137895","indexId":"70215516","displayToPublicDate":"1949-10-21T14:48:52","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Cleavage in east‐central Vermont","docAbstract":"<p><span>Two types of cleavage, schistosity (flow cleavage) and slip cleavage, are common in the metamorphosed sediments of east‐central Vermont. Two generations of cleavage are also recognized. Cleavage of the earlier stage of deformation is schistosity, and is generally parallel to bedding. Just west of the Monroe Fault, along the eastern border of the area, only this earlier schistosity is present; farther west, a slip cleavage cuts the earlier schistosity. This slip cleavage is more and more intensely developed toward the west, and about three or four miles west of the Monroe Fault it grades without deflection into a true schistosity. This later schistosity apparently has obliterated the earlier schistosity that is presumed to have been present here. Both the later schistosity and its more easterly equivalent, the slip cleavage, are parallel to the axial planes of numerous minor folds in the rocks. The passage without deflection of slip cleavage into schistosity is taken as evidence that slip cleavage and schistosity are here mechanically equivalent. Schistosity forms in the higher metamorphic environment (staurolite zone of metamorphism in this area).</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00587","usgsCitation":"White, W., 1949, Cleavage in east‐central Vermont: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 587-594, https://doi.org/10.1029/TR030i004p00587.","productDescription":"8 p.","startPage":"587","endPage":"594","costCenters":[],"links":[{"id":379608,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Vermont","otherGeospatial":"East-Central Vermont","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -72.18772888183594,\n              43.87859281734802\n            ],\n            [\n              -71.98585510253906,\n              43.87859281734802\n            ],\n            [\n              -71.98585510253906,\n              44.19451297521985\n            ],\n            [\n              -72.18772888183594,\n              44.19451297521985\n            ],\n            [\n              -72.18772888183594,\n              43.87859281734802\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"White, Walter S.","contributorId":34492,"corporation":false,"usgs":true,"family":"White","given":"Walter S.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":802574,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215513,"text":"70215513 - 1949 - Artificial recharge of ground water by the city of Bountiful, Utah","interactions":[],"lastModifiedDate":"2020-10-21T19:40:19.429532","indexId":"70215513","displayToPublicDate":"1949-10-21T14:31:00","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Artificial recharge of ground water by the city of Bountiful, Utah","docAbstract":"<p><span>The City of Bountiful, Utah, is situated just beyond the eastern edge of an area where alluvial gravel and sand of Pleistocene and probably Tertiary age yield water by artesian flow. Attempts to recharge these aquifers by diversion of surplus stream water into a spreading canal east of the city have been unsuccessful, because of the relative impermeability of the torrential debris which has accumulated along the western base of the Wasatch Range. Instead, the water spread from the canal has increased the yield of permeable shore deposits of the Pleistocene Lake Bonneville which crop out east of the city.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00539","usgsCitation":"American Geophysical Union, 1949, Artificial recharge of ground water by the city of Bountiful, Utah: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 539-542, https://doi.org/10.1029/TR030i004p00539.","productDescription":"4 p.","startPage":"539","endPage":"542","costCenters":[],"links":[{"id":379607,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"Bountiful","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.97540283203125,\n              40.82835864973048\n            ],\n            [\n              -111.76391601562499,\n              40.82835864973048\n            ],\n            [\n              -111.76391601562499,\n              40.99130135480306\n            ],\n            [\n              -111.97540283203125,\n              40.99130135480306\n            ],\n            [\n              -111.97540283203125,\n              40.82835864973048\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW"}
,{"id":70215512,"text":"70215512 - 1949 - Discussion of “Runoff from rain and snow” by Arthur M. Piper","interactions":[],"lastModifiedDate":"2020-10-21T19:29:57.286703","indexId":"70215512","displayToPublicDate":"1949-10-21T14:25:18","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Discussion of “Runoff from rain and snow” by Arthur M. Piper","docAbstract":"<p><span>As a basis to study the discharge characteristics of the Metolius River the John Day River was used. The Deschutes Basin of which the Metolius drainage area is a part was compared to the John Day Basin. There are several factors which must be considered when comparing the two basins. Perhaps the most important point which was not stresses is the fact that although about three‐fourths of the flow of the Deschutes River rises in the western most part of the Deschutes Basin, which part was more or less exempted by Piper in his discussion of general runoff characteristics, it is less than half of the Deschutes Watershed.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00606","usgsCitation":"Sexton, H., and Piper, A., 1949, Discussion of “Runoff from rain and snow” by Arthur M. Piper: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 606-607, https://doi.org/10.1029/TR030i004p00606.","productDescription":"2 p.","startPage":"606","endPage":"607","costCenters":[],"links":[{"id":379606,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Sexton, H.W.","contributorId":243567,"corporation":false,"usgs":false,"family":"Sexton","given":"H.W.","email":"","affiliations":[],"preferred":false,"id":802572,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Piper, Arthur M.","contributorId":65060,"corporation":false,"usgs":true,"family":"Piper","given":"Arthur M.","affiliations":[],"preferred":false,"id":802573,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70215511,"text":"70215511 - 1949 - Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948","interactions":[],"lastModifiedDate":"2020-10-21T19:24:07.665213","indexId":"70215511","displayToPublicDate":"1949-10-21T13:54:10","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948","docAbstract":"<p>As part of the United States Geological Survey's volcano program in the Aleutian volcanic arc during 1946–1948, the volcanoes and thermal areas on Umnak and Great Sitkin Islands were studied. In addition to observation of the volcanoes, temperatures of fumaroles were measured and some products of the volcanic activity were collected and analyzed.</p><p>After an eruption in 1945, Cone A in Okmok Caldera on northeastern Umnak Island remained relatively quiet during the period 1946–1948. The fumarole gases contained water vapor, carbon dioxide, and sulfur dioxide. The incrustations associated with the sulfur dioxide fumaroles are the sulfate minerals halotrichite, gypsum, and soda alum. Temperatures of lava fumaroles at the source of the December, 1945 lava flow from Cone A dropped from an average of 320°C on July 19, 1946, to 90°C on September 5, 1946. With exception of the large central fumarole which reached red heat in 1947, the extra crater fumaroles of Cone A ranged from 96° to 98° C in temperature</p><p>Cone C, another cone in Okmok Caldera was in the solfataric stage and emitted water vapor, hydrogen sulfide, and probably carbon dioxide. Incrustations associated with fumaroles on this cone consisted of sulfur, pyrite, and aragonite. The temperatures of the fumaroles ranged from 95° to 96°C and were probably kept within this narrow range partly by the heat supplied during condensation of steam.</p><p>Sixteen large thermal springs emerging from the base of Cone D in Okmok Caldera had an aggregate discharge of approximately 115 cfs and gave off approximately 21,000 kcal of heat per second on September 7, 1946.</p><p>Water samples of thermal springs on Umnak Island contained as high as 159 ppm of boron expressed as B<sub>2</sub>0<sub>3</sub><span>&nbsp;</span>and a few parts per million of arsenic and antimony. Several of the thermal springs in southwestern Umnak Island were slightly superheated with respect to the boiling point of water and behaved as small geysers. As has been found elsewhere, the discharge, temperature, and composition of the emanations from a spring is modified by surface conditions of topography and drainage.</p><p>Thermal springs and fumaroles on Great Sitkin Island occurred at an altitude of about 2000 ft near the head of the west fork of Big Fox Creek. All the fumaroles were at or near a temperature of 100°C. The large crater fumarole in the center of the 1945 crater dome was unapproachable. No change in the activity of Great Sitkin volcano was observed between 1946 and August 1948.</p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i005p00719","usgsCitation":"Byers, F., and Brannock, W.W., 1949, Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948: Eos, Transactions, American Geophysical Union, v. 30, no. 5, p. 719-734, https://doi.org/10.1029/TR030i005p00719.","productDescription":"16  p.","startPage":"719","endPage":"734","costCenters":[],"links":[{"id":379605,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Umnak and Great Sitkin Islands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -179.6484375,\n              51.45400691005982\n            ],\n            [\n              -163.037109375,\n              51.45400691005982\n            ],\n            [\n              -163.037109375,\n              56.12106042504407\n            ],\n            [\n              -179.6484375,\n              56.12106042504407\n            ],\n            [\n              -179.6484375,\n              51.45400691005982\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"30","issue":"5","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Byers, F.M. Jr.","contributorId":78338,"corporation":false,"usgs":true,"family":"Byers","given":"F.M.","suffix":"Jr.","affiliations":[],"preferred":false,"id":802570,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brannock, W. W.","contributorId":74504,"corporation":false,"usgs":true,"family":"Brannock","given":"W.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":802571,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70215510,"text":"70215510 - 1949 - Recovery of ground‐water supplies by pumping from watertable ponds","interactions":[],"lastModifiedDate":"2020-10-21T18:50:40.614939","indexId":"70215510","displayToPublicDate":"1949-10-21T13:22:32","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Recovery of ground‐water supplies by pumping from watertable ponds","docAbstract":"<p>This paper summarizes a study made to determine whether ground‐water storage in the glacial deposits in the vicinity of Fresh Pond, a water‐table pond used as part of the public supply of the City of Cambridge, Massachusetts, is available to augment the supply from surface‐water reservoirs.</p><p>Test wells were drilled; water level, well and test boring, and quality of water data, and data on Inflow and outflow from Fresh Pond were collected, and seismic profiles were run, to determine whether the glacial deposits in the vicinity of the pond contribute appreciable quantities of water to the pond. The data show that water levels in certain wells fluctuate with the level of Fresh Pond and that certain other water levels do not, indicating ground‐water contributions to the pond when it is at low stages and increases in ground‐water storage when pond stages are high. The largest changes in ground‐water storage occur in the glacial deposits underlying the banks to the west and northwest of the pond. Mineral characteristics of the well and pond waters offer no evidence as to the direction of ground‐water flow.</p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i002p00283","usgsCitation":"Halberg, H., and Roberts, C., 1949, Recovery of ground‐water supplies by pumping from watertable ponds: Eos, Transactions, American Geophysical Union, v. 30, no. 2, p. 283-292, https://doi.org/10.1029/TR030i002p00283.","productDescription":"10 p.","startPage":"283","endPage":"292","costCenters":[],"links":[{"id":379604,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts","otherGeospatial":"Cambridge","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.19277954101562,\n              42.363617631805496\n            ],\n            [\n              -71.06643676757812,\n              42.363617631805496\n            ],\n            [\n              -71.06643676757812,\n              42.42548395494743\n            ],\n            [\n              -71.19277954101562,\n              42.42548395494743\n            ],\n            [\n              -71.19277954101562,\n              42.363617631805496\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"30","issue":"2","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Halberg, Henry N.","contributorId":19929,"corporation":false,"usgs":true,"family":"Halberg","given":"Henry N.","affiliations":[],"preferred":false,"id":802568,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Roberts, Claude M.","contributorId":64661,"corporation":false,"usgs":true,"family":"Roberts","given":"Claude M.","affiliations":[],"preferred":false,"id":802569,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70215509,"text":"70215509 - 1949 - Reservoir systems in Maine","interactions":[],"lastModifiedDate":"2020-10-21T18:16:30.976533","indexId":"70215509","displayToPublicDate":"1949-10-21T13:07:07","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Reservoir systems in Maine","docAbstract":"<p><span>The numerous lakes and ponds that are found in almost every portion of the State of Maine are important resources of the state. There are 2222 bodies of fresh water that are classed as great ponds, that is, ponds whose areas are ten acres or more, and the total area of these lakes aid ponds is about 1500 sq mi. These are a result of glaciation of the region. Some of these ponds are very deep; depths of 100 ft have been found in many lakes. In Moosehead Lake there are places where the water is 250 ft deep and in Sebago Lake as much as 315 ft. The deepest part of Sebago is 45 ft below mean sea level.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i003p00437","usgsCitation":"Stackpole, M.R., 1949, Reservoir systems in Maine: Eos, Transactions, American Geophysical Union, v. 30, no. 3, p. 437-438, https://doi.org/10.1029/TR030i003p00437.","productDescription":"2 p.","startPage":"437","endPage":"438","costCenters":[],"links":[{"id":379602,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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,{"id":70215507,"text":"70215507 - 1949 - Report of the Committee on Runoff, 1948–1949","interactions":[],"lastModifiedDate":"2020-10-21T17:40:29.921015","indexId":"70215507","displayToPublicDate":"1949-10-21T12:34:54","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Report of the Committee on Runoff, 1948–1949","docAbstract":"<p>Because of the widely scattered locations of the membership, no assembled meeting of the Committee was held during the year, all discussions being held by correspondence. Consideration was given to three subjects during the year: (1) standardization of terminology as related to runoff (continued from previous year), (2) deficiencies in hydrologic research, and (3) current programs of hydrologic research.</p><p>With respect to terminology, the wide divergence of opinion among committee members with respect to the definition of terms fairly common in hydrologic literature emphasizes the need for more uniformity. Various authors use the same terms to describe slightly different runoff phenomena. The Committee, while unable to agree at this date on recommended definitions, urges writers to restrict their terminology so far as practicable to that previously used. Nothing is gained by inventing a new name for a phenomenon which has already been satisfactorily named by a previous writer. On the other hand, precise definitions are necessary to proper understanding, and loose usage of runoff terms only destroys their usefulness. Where any question as to the intended definition exists, it is preferable for the author to present his definition until better agreement as to the accepted definition has been reached.</p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i006p00911","usgsCitation":"McDonald, C.C., 1949, Report of the Committee on Runoff, 1948–1949: Eos, Transactions, American Geophysical Union, v. 30, no. 6, p. 911-915, https://doi.org/10.1029/TR030i006p00911.","productDescription":"5 p.","startPage":"911","endPage":"915","costCenters":[],"links":[{"id":379600,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"6","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"McDonald, C. C.","contributorId":69204,"corporation":false,"usgs":true,"family":"McDonald","given":"C.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":802564,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215465,"text":"70215465 - 1949 - Pedological relations of infiltration phenomena","interactions":[],"lastModifiedDate":"2020-10-20T20:23:33.183066","indexId":"70215465","displayToPublicDate":"1949-10-20T15:16:28","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Pedological relations of infiltration phenomena","docAbstract":"<p><span>An attempt is made to outline the principal features which are to be considered in infiltration problems. The need for consideration of genetic and morphological relations is emphasized, especially the view that the latter is a boundary condition for the quantitative procedures usually derived from the former. Detailed development of infiltration relations are given for the more usual genetic profiles. The role of soil structure in infiltration phenomena is developed in considerable detail. A discussion of fragmented soils is also given. A brief discussion of the physical mechanisms involved in infiltration develops the viewpoint that not only porosity and texture but also soil structure and moisture content are usually sufficient to define infiltration phenomena.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00555","usgsCitation":"Smith, W.O., 1949, Pedological relations of infiltration phenomena: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 555-562, https://doi.org/10.1029/TR030i004p00555.","productDescription":"8 p.","startPage":"555","endPage":"562","costCenters":[],"links":[{"id":379563,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Smith, W. O.","contributorId":53015,"corporation":false,"usgs":true,"family":"Smith","given":"W.","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":802244,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215464,"text":"70215464 - 1949 - The relation of geology to dry‐weather stream flow in Ohio","interactions":[],"lastModifiedDate":"2021-01-28T21:22:43.788553","indexId":"70215464","displayToPublicDate":"1949-10-20T15:08:42","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"The relation of geology to dry‐weather stream flow in Ohio","docAbstract":"<p><span>The regime of dry‐weather flow of several streams in Ohio is presented by flow‐duration curves. For comparison, the index of ground‐water flow for each basin is the discharge in cubic feet per second per square mile which is exceeded 90 per cent of the time. These indices are shown on a map of Ohio, and are discussed with respect to known geological conditions. It is concluded that stream‐flow records provide useful inferences to ground‐water geology, but the converse is not true.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00563","usgsCitation":"Cross, W.P., 1949, The relation of geology to dry‐weather stream flow in Ohio: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 563-566, https://doi.org/10.1029/TR030i004p00563.","productDescription":"4 p.","startPage":"563","endPage":"566","costCenters":[],"links":[{"id":379562,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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,{"id":70215463,"text":"70215463 - 1949 - Report of the Committee on Groundwater, 1946–1948","interactions":[],"lastModifiedDate":"2020-10-20T20:08:14.955398","indexId":"70215463","displayToPublicDate":"1949-10-20T15:01:08","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Report of the Committee on Groundwater, 1946–1948","docAbstract":"<p><span>No report of the Committee was prepared for the fiscal year 1946–1947, so the present report covers the two‐year period July 1, 1946 through June 30, 1948. Because of space limitations, fits report covers only items of research that have come to the attention of the Chairman. Reports m Hydrology and physiography of limestone terranes, by A. C. Swinnerton, and on The relation between comsumptive use of water and free‐water accretion below the root zone, by G‐ W. Musgrave, are given as Appendices A and B respectively.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i004p00598-2","usgsCitation":"Lohman, S.W., 1949, Report of the Committee on Groundwater, 1946–1948: Eos, Transactions, American Geophysical Union, v. 30, no. 4, p. 598-600, https://doi.org/10.1029/TR030i004p00598-2.","productDescription":"3 p.","startPage":"598","endPage":"600","costCenters":[],"links":[{"id":379561,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Lohman, S. W.","contributorId":45318,"corporation":false,"usgs":true,"family":"Lohman","given":"S.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":802242,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215462,"text":"70215462 - 1949 - Sheet structure, a major factor in the occurrence of ground water in the granites of Georgia","interactions":[],"lastModifiedDate":"2020-10-20T20:00:33.652449","indexId":"70215462","displayToPublicDate":"1949-10-20T14:57:28","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Sheet structure, a major factor in the occurrence of ground water in the granites of Georgia","docAbstract":"<p><span>Increasing demand for supplies of ground water in the Piedmont of Georgia has necessarily focused attention on granitic rocks, which have a considerable areal extent in this part of the state. These rocks have the property generally known as sheet structure. Major parting planes resulting from sheeting are usually sub-parallel to the rock surface on hills and in valleys and consequently control the circulation of subsurface water. Imperfect shallow pseudosynclinal basins formed by sheet planes in valleys are the receptacles for much subsurface water that percolates along these planes from nearby upland slopes. Therefore, wells drilled in lowlands in sheeted terranes almost invariably produce greater quantities of water than those on the uplands.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.2.110","usgsCitation":"LeGrand, H.E., 1949, Sheet structure, a major factor in the occurrence of ground water in the granites of Georgia: Economic Geology, v. 44, no. 2, p. 110-118, https://doi.org/10.2113/gsecongeo.44.2.110.","productDescription":"9 p.","startPage":"110","endPage":"118","costCenters":[],"links":[{"id":379560,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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,{"id":70215461,"text":"70215461 - 1949 - Vestigial zinc in surface residuum associated with primary zinc ore in East Tennessee","interactions":[],"lastModifiedDate":"2020-10-20T19:54:20.936575","indexId":"70215461","displayToPublicDate":"1949-10-20T14:44:41","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Vestigial zinc in surface residuum associated with primary zinc ore in East Tennessee","docAbstract":"<p><span>A series of samples of residual clay at the Friends Station zinc deposit, Tenn., was collected and analyzed for zinc. Results indicate that residuum containing 0.05 percent Zn and more is the product of weathering of limestone and dolomite containing zinc mineralization. Chemical analysis of residual clays for zinc shows promise as a method of prospecting for zinc in the limestone valleys of the southern Appalachians.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.4.286","usgsCitation":"Hawkes, H.E., and Lakin, H.W., 1949, Vestigial zinc in surface residuum associated with primary zinc ore in East Tennessee: Economic Geology, v. 44, no. 4, p. 286-295, https://doi.org/10.2113/gsecongeo.44.4.286.","productDescription":"10 p.","startPage":"286","endPage":"295","costCenters":[],"links":[{"id":379559,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Tennessee","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -86.0888671875,\n              36.70365959719456\n            ],\n            [\n              -86.15478515625,\n              34.939985151560435\n            ],\n            [\n              -84.35302734375,\n              35.04798673426734\n            ],\n            [\n              -81.45263671875,\n              36.527294814546245\n            ],\n            [\n              -86.0888671875,\n              36.70365959719456\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"44","issue":"4","noUsgsAuthors":false,"publicationDate":"1949-06-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Hawkes, Herbert Edwin","contributorId":36226,"corporation":false,"usgs":true,"family":"Hawkes","given":"Herbert","email":"","middleInitial":"Edwin","affiliations":[],"preferred":false,"id":802239,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lakin, Herbert Williams","contributorId":45953,"corporation":false,"usgs":true,"family":"Lakin","given":"Herbert","email":"","middleInitial":"Williams","affiliations":[],"preferred":false,"id":802240,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70215460,"text":"70215460 - 1949 - Field method for the determination of zinc in soils","interactions":[],"lastModifiedDate":"2020-10-20T19:43:09.504254","indexId":"70215460","displayToPublicDate":"1949-10-20T14:32:55","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Field method for the determination of zinc in soils","docAbstract":"<p><span>A method is described for the field estimation of total zinc in soils. A small sample of soil is fused with potassium bisulfate, the fused mass dissolved in water, buffered at pH 4 to 5.5 with acetate buffer, and sodium thiosulfate added to form complex ions with metals that might cause interference. Measured increments of the sample solution are added to a carbon-tetrachloride-dithizone solution, with vigorous shaking after each addition, until a standard color is obtained in the organic phase. Under favorable conditions up to 60 determinations per day can be made by one man. Comparisons of data obtained by the field method with accurate laboratory analyses of the same samples indicate that the method is sufficiently reliable for reconnaissance surveys.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.4.296","usgsCitation":"Stevens, R.E., and Almond, H., 1949, Field method for the determination of zinc in soils: Economic Geology, v. 44, no. 4, p. 296-306, https://doi.org/10.2113/gsecongeo.44.4.296.","productDescription":"11 p.","startPage":"296","endPage":"306","costCenters":[],"links":[{"id":379558,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"4","noUsgsAuthors":false,"publicationDate":"1949-06-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Stevens, Rollin Elbert","contributorId":43745,"corporation":false,"usgs":true,"family":"Stevens","given":"Rollin","email":"","middleInitial":"Elbert","affiliations":[],"preferred":false,"id":802237,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Almond, Hy","contributorId":50138,"corporation":false,"usgs":true,"family":"Almond","given":"Hy","email":"","affiliations":[],"preferred":false,"id":802238,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70215459,"text":"70215459 - 1949 - Research in coal paleobotany since 1943","interactions":[],"lastModifiedDate":"2020-10-20T19:32:07.150455","indexId":"70215459","displayToPublicDate":"1949-10-20T14:21:54","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Research in coal paleobotany since 1943","docAbstract":"<p><span>The varied applications of paleobotany to coal resource studies, coal technology, and to fundamental physical and chemical research on coal are briefly indicated. The usual conception of paleobotany is not as broad as this, and many of the studies of fossil plants have been conducted without reference to the part the plant materials assume in composing coal. The interrelationship of paleobotany with the physical constitution and petrography of coal is an intimate one. which is too involved for treatment in the present paper. Chief emphasis is devoted to review of plant microfossil investigations during the past several years.The consistent abundance of plant microfossils in coal and its associated rocks is now generally recognized. One of the greatest difficulties in using this material for correlation and for extending our knowledge of the plant composition of coal has been in systematic (taxonomic) treatment of the materials. The reviews of recent literature are presented chiefly with reference to the diverse systematic approaches of various authors. The contrast between essentially nonbotanical or morphologic classification schemes, which are simpler to apply and which may serve adequately for local correlational studies, and those studies conceived on a more fundamental basis of plant taxonomy, for paleogeographic and ecologic interpretation of botanically related groups, is presented. Both viewpoints should be kept clearly in mind, since differing circumstances of study and differing objectives may suggest the advisability of using one rather than the other method of systematic treatment of these fossils. No other fossils are so conveniently available from the coal deposits of primary interest.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.6.492","usgsCitation":"Schopf, J., 1949, Research in coal paleobotany since 1943: Economic Geology, v. 44, no. 6, p. 492-513, https://doi.org/10.2113/gsecongeo.44.6.492.","productDescription":"22 p.","startPage":"492","endPage":"513","costCenters":[],"links":[{"id":379557,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"6","noUsgsAuthors":false,"publicationDate":"1949-09-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Schopf, James M.","contributorId":94297,"corporation":false,"usgs":true,"family":"Schopf","given":"James M.","affiliations":[],"preferred":false,"id":802236,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215458,"text":"70215458 - 1949 - Use of sketchmaster in compilation of geologic maps from air-photo enlargements","interactions":[],"lastModifiedDate":"2020-10-20T19:06:05.310535","indexId":"70215458","displayToPublicDate":"1949-10-20T14:01:58","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Use of sketchmaster in compilation of geologic maps from air-photo enlargements","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.6.551","usgsCitation":"Sohn, I.G., 1949, Use of sketchmaster in compilation of geologic maps from air-photo enlargements: Economic Geology, v. 44, no. 6, p. 551-553, https://doi.org/10.2113/gsecongeo.44.6.551.","productDescription":"3 p.","startPage":"551","endPage":"553","costCenters":[],"links":[{"id":379556,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"6","noUsgsAuthors":false,"publicationDate":"1949-09-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Sohn, I. G.","contributorId":70751,"corporation":false,"usgs":true,"family":"Sohn","given":"I.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":802235,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215457,"text":"70215457 - 1949 - Origin of the Bendigo saddle reefs with comments on the formation of ribbon quartz","interactions":[],"lastModifiedDate":"2020-10-20T18:54:22.153414","indexId":"70215457","displayToPublicDate":"1949-10-20T13:43:38","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Origin of the Bendigo saddle reefs with comments on the formation of ribbon quartz","docAbstract":"<p><span>\"Several textural varieties of quartz, together with ore textures and structural relations, indicate that (1) open-space filling, (2) replacement, and (3) growth by accretion were active processes in the formation of saddle reefs and related quartz bodies of the Bendigo goldfield, Australia. The relative importance of each process varied with the type of quartz body. . . . Book structure, ribbon structure, and 'crinkly banding' probably resulted primarily from the replacement of previously sheared or foliated zones in wall rock; the individual leaves and ribbons are usually residues from the replacement process.\"</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.44.7.561","usgsCitation":"Chace, F.M., 1949, Origin of the Bendigo saddle reefs with comments on the formation of ribbon quartz: Economic Geology, v. 44, no. 7, p. 561-597, https://doi.org/10.2113/gsecongeo.44.7.561.","productDescription":"37 p.","startPage":"561","endPage":"597","costCenters":[],"links":[{"id":379555,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"7","noUsgsAuthors":false,"publicationDate":"1949-11-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Chace, Frederick Mason","contributorId":97009,"corporation":false,"usgs":true,"family":"Chace","given":"Frederick","email":"","middleInitial":"Mason","affiliations":[],"preferred":false,"id":802234,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5220356,"text":"5220356 - 1949 - Nutrition of bobwhite quail","interactions":[],"lastModifiedDate":"2025-01-13T17:17:34.533948","indexId":"5220356","displayToPublicDate":"1949-10-03T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Nutrition of bobwhite quail","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"Wiley","doi":"10.2307/3795628","usgsCitation":"Nestler, R.B., 1949, Nutrition of bobwhite quail: Journal of Wildlife Management, v. 13, no. 4, p. 342-358, https://doi.org/10.2307/3795628.","productDescription":"17 p.","startPage":"342","endPage":"358","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":193425,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afce4b07f02db696699","contributors":{"authors":[{"text":"Nestler, Ralph B.","contributorId":35242,"corporation":false,"usgs":true,"family":"Nestler","given":"Ralph","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":331707,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":37937,"text":"37937 - 1949 - The moose and its ecology","interactions":[],"lastModifiedDate":"2014-07-17T13:05:23","indexId":"37937","displayToPublicDate":"1949-10-01T13:04:33","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":98,"text":"Wildlife Leaflet","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"312","title":"The moose and its ecology","docAbstract":"No abstract available.","language":"English","publisher":"U.S. Department of the Interior","publisherLocation":"Washington, D.C.","usgsCitation":"Hosley, N., 1949, The moose and its ecology: Wildlife Leaflet 312, 51 p.","productDescription":"51 p.","numberOfPages":"51","costCenters":[],"links":[{"id":290370,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd7839e4b0b2908510c029","contributors":{"authors":[{"text":"Hosley, N.W.","contributorId":70820,"corporation":false,"usgs":true,"family":"Hosley","given":"N.W.","email":"","affiliations":[],"preferred":false,"id":218674,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":37856,"text":"37856 - 1949 - Management methods and safeguards employed in reductional control of injurious wildlife","interactions":[],"lastModifiedDate":"2014-07-24T11:31:50","indexId":"37856","displayToPublicDate":"1949-09-01T11:31:25","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":98,"text":"Wildlife Leaflet","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"318","title":"Management methods and safeguards employed in reductional control of injurious wildlife","docAbstract":"No abstract available.","language":"English","publisher":"U.S. Department of the Interior","publisherLocation":"Washington, D.C.","usgsCitation":"Spencer, D.A., 1949, Management methods and safeguards employed in reductional control of injurious wildlife (Reissued from Wildlife Leaflet BS-115 (1938).): Wildlife Leaflet 318, 9 p.","productDescription":"9 p.","numberOfPages":"9","costCenters":[],"links":[{"id":290896,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"edition":"Reissued from Wildlife Leaflet BS-115 (1938).","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57ffd904e4b0824b2d1784d0","contributors":{"authors":[{"text":"Spencer, Donald A.","contributorId":49712,"corporation":false,"usgs":true,"family":"Spencer","given":"Donald","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":218609,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
]}