{"pageNumber":"6178","pageRowStart":"154425","pageSize":"25","recordCount":184937,"records":[{"id":59466,"text":"mf565 - 1974 - Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of antimony and arsenic, Brooks Spring Quadrangle, Humboldt County, Nevada","interactions":[],"lastModifiedDate":"2013-05-20T13:22:11","indexId":"mf565","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"565","title":"Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of antimony and arsenic, Brooks Spring Quadrangle, Humboldt County, Nevada","language":"ENGLISH","doi":"10.3133/mf565","usgsCitation":"Erickson, R.L., and Marsh, S., 1974, Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of antimony and arsenic, Brooks Spring Quadrangle, Humboldt County, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map 565, 1 map., https://doi.org/10.3133/mf565.","productDescription":"1 map.","costCenters":[],"links":[{"id":179775,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":272446,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0565/plate-1.pdf"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.36749999999999,40.75 ], [ -117.36749999999999,40.8675 ], [ -117.25,40.8675 ], [ -117.25,40.75 ], [ -117.36749999999999,40.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b20e4b07f02db6ab910","contributors":{"authors":[{"text":"Erickson, R. L.","contributorId":26318,"corporation":false,"usgs":true,"family":"Erickson","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":262064,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":262065,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":59468,"text":"mf564 - 1974 - Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of copper and molybdenum, Brooks Spring Quadrangle, Humboldt County, Nevada","interactions":[],"lastModifiedDate":"2013-05-20T13:22:31","indexId":"mf564","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"564","title":"Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of copper and molybdenum, Brooks Spring Quadrangle, Humboldt County, Nevada","language":"ENGLISH","doi":"10.3133/mf564","usgsCitation":"Erickson, R.L., and Marsh, S., 1974, Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of copper and molybdenum, Brooks Spring Quadrangle, Humboldt County, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map 564, 1 map., https://doi.org/10.3133/mf564.","productDescription":"1 map.","costCenters":[],"links":[{"id":180512,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":272448,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0564/plate-1.pdf"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.36749999999999,40.75 ], [ -117.36749999999999,40.8675 ], [ -117.25,40.8675 ], [ -117.25,40.75 ], [ -117.36749999999999,40.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b20e4b07f02db6ab8e8","contributors":{"authors":[{"text":"Erickson, R. L.","contributorId":26318,"corporation":false,"usgs":true,"family":"Erickson","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":262068,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":262069,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":56789,"text":"wdrLA731 - 1974 - Water resources data for Louisiana, water year 1973","interactions":[],"lastModifiedDate":"2025-02-10T17:12:13.467012","indexId":"wdrLA731","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":340,"text":"Water Data Report","code":"WDR","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"LA-73-1","title":"Water resources data for Louisiana, water year 1973","docAbstract":"<p>Water resources data for the 1973 water year for West Virginia including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, records of water-quality data on the chemical and physical characteristics of surface water, and records of ground-water levels at index wells are given in this report. In Part 1, records are included for 126 gaging stations of which 119 are streamflow discharge stations, 1 is stage only streamflow station, and 6 are reservoir or lake stations; also included are records for 2 low-flow partial-record stations, 39 crest-stage partial-record stations and 7 miscellaneous sites. Locations of gaging stations are shown in Figure 1, and location of partial-record stations are shown in Figure 2. In Part 2, data on the quality of surface water (chemical, temperature, and sediment) were collected from designated sampling sites at predetermined intervals, such as once daily, weekly, monthly, or less frequently, and at some sites data were recorded on punched paper tape at 15-, 30-, or 60-minute intervals. Records are given for 28 sampling stations of which 18 are continuous record stations, and 10 are partial-record stations. Locations of water quality stations are shown in Figure 1. A few pertinent stations (not included above) in bordering States are also included in this report. In Part 3, records are included for 46 observation wells of which 8 are equipped with water-level recorders that give a continuous graph of the fluctuations, 3 are equipped with digital recorders that punch the water level on a tape at hourly intervals, at 35 manual reading are made with a steel tape by observers on the days indicated. Locations of index wells are shown in Figure 2. The records were collected and computed by the Water Resources Division of the U.S. Geological Survey under the direction of Edwin E. Harris, district chief. These data represent that portion of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in West Virginia.</p><p>Beginning with the 1961 water year, streamflow records and related data have been released by the Geological Survey in annual reports on a State-boundary basis. Water-quality records beginning with the 1964 water year have been similarly released either in separate reports or in conjunction with streamflow records. These reports are for limited distribution and are designed primarily for rapid release of data shortly after the end of the water year.</p><p>Records of discharge and stage of streams, and contents and stage of lakes and reservoirs are published in a series of U.S. Geological Survey water-supply papers entitled, \"Surface Water Supply of the United States.\" Through September 30, 1960, these water-supply papers were in an annual series and since then are in a 5-year series. Records of chemical quality, water temperatures, and suspended sediment have been published since 1941 in an annual series of water-supply papers entitled, \"Quality of Surface Waters of the United States.\" More information is given under the headings \"Publications\" on page 21. Records of ground water levels are published in a series of water supply papers entitled, \"Ground-water Levels in the United States\". Through 1955 these were in an annual series but are now in a 5-year series. More information is given under the heading \"Publications\" on page 22.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wdrLA731","collaboration":"Prepared in cooperation with the Louisiana Department of Public Works and with other State and Federal agencies","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1974, Water resources data for Louisiana, water year 1973: U.S. Geological Survey Water Data Report LA-73-1, xii, 315 p., https://doi.org/10.3133/wdrLA731.","productDescription":"xii, 315 p.","costCenters":[],"links":[{"id":481880,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wdr/1973/la-73-1/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":173880,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wdr/1973/la-73-1/report-thumb.jpg"}],"country":"United 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,{"id":59564,"text":"mf590 - 1974 - Stripping coal deposits of the northern Great Plains, Montana, Wyoming, North Dakota, and South Dakota","interactions":[],"lastModifiedDate":"2025-05-09T19:15:49.950458","indexId":"mf590","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"590","title":"Stripping coal deposits of the northern Great Plains, Montana, Wyoming, North Dakota, and South Dakota","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf590","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1974, Stripping coal deposits of the northern Great Plains, Montana, Wyoming, North Dakota, and South Dakota: U.S. Geological Survey Miscellaneous Field Studies Map 590, 1 Plate: 32.32 x 31.58 inches, https://doi.org/10.3133/mf590.","productDescription":"1 Plate: 32.32 x 31.58 inches","costCenters":[],"links":[{"id":485682,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3705.htm","linkFileType":{"id":5,"text":"html"}},{"id":272461,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0590/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":182542,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"1000000","country":"United States","state":"Montana, North Dakota, South Dakota, Wyoming","otherGeospatial":"northern Great Plains","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -109,\n              49\n            ],\n            [\n              -109,\n              42.75\n            ],\n            [\n              -100,\n              42.75\n            ],\n            [\n              -100,\n              49\n            ],\n            [\n              -109,\n              49\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4c34","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533225,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59577,"text":"mf580A - 1974 - Map showing unconsolidated materials, Montville Quadrangle, Connecticut","interactions":[],"lastModifiedDate":"2013-05-20T13:28:44","indexId":"mf580A","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"580","chapter":"A","title":"Map showing unconsolidated materials, Montville Quadrangle, Connecticut","language":"ENGLISH","doi":"10.3133/mf580A","usgsCitation":"Goldsmith, R., 1974, Map showing unconsolidated materials, Montville Quadrangle, Connecticut: U.S. Geological Survey Miscellaneous Field Studies Map 580, 1 map., https://doi.org/10.3133/mf580A.","productDescription":"1 map.","costCenters":[],"links":[{"id":184865,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":272465,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0580a/plate-1.pdf"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -72.25,41.3675 ], [ -72.25,41.5 ], [ -72.11749999999999,41.5 ], [ -72.11749999999999,41.3675 ], [ -72.25,41.3675 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0ee4b07f02db69fbce","contributors":{"authors":[{"text":"Goldsmith, Richard","contributorId":33283,"corporation":false,"usgs":true,"family":"Goldsmith","given":"Richard","email":"","affiliations":[],"preferred":false,"id":262261,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59578,"text":"mf593A - 1974 - Map showing unconsolidated materials, Niantic quadrangle, Connecticut","interactions":[],"lastModifiedDate":"2022-04-08T18:15:37.92853","indexId":"mf593A","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"593","chapter":"A","title":"Map showing unconsolidated materials, Niantic quadrangle, Connecticut","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf593A","usgsCitation":"Goldsmith, R., 1974, Map showing unconsolidated materials, Niantic quadrangle, Connecticut: U.S. Geological Survey Miscellaneous Field Studies Map 593, 1 Plate: 23.07 × 32.90 inches, https://doi.org/10.3133/mf593A.","productDescription":"1 Plate: 23.07 × 32.90 inches","costCenters":[],"links":[{"id":184866,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":272466,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0593a/plate-1.pdf"},{"id":398394,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3708.htm"}],"scale":"24000","country":"United States","state":"Connecticut","otherGeospatial":"Niantic quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -72.25,\n              41.25\n            ],\n            [\n              -72.125,\n              41.25\n            ],\n            [\n              -72.125,\n              41.375\n            ],\n            [\n              -72.25,\n              41.375\n            ],\n            [\n              -72.25,\n              41.25\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a62e4b07f02db636391","contributors":{"authors":[{"text":"Goldsmith, Richard","contributorId":33283,"corporation":false,"usgs":true,"family":"Goldsmith","given":"Richard","email":"","affiliations":[],"preferred":false,"id":262262,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59581,"text":"mf526 - 1974 - Availability of data on surface-water quantity and quality for the San Francisco Bay region, California with a summary of beneficial uses and implications for land use","interactions":[],"lastModifiedDate":"2021-11-22T19:09:58.299096","indexId":"mf526","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"526","title":"Availability of data on surface-water quantity and quality for the San Francisco Bay region, California with a summary of beneficial uses and implications for land use","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf526","usgsCitation":"Goss, J., 1974, Availability of data on surface-water quantity and quality for the San Francisco Bay region, California with a summary of beneficial uses and implications for land use: U.S. Geological Survey Miscellaneous Field Studies Map 526, Report; 17 p.; 1 Plate: 34.03 × 41.57 inches, https://doi.org/10.3133/mf526.","productDescription":"Report; 17 p.; 1 Plate: 34.03 × 41.57 inches","costCenters":[],"links":[{"id":391993,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3624.htm"},{"id":274548,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/mf/0526/report.pdf"},{"id":274547,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0526/plate-1.pdf"},{"id":184869,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"250000","country":"United States","state":"California","otherGeospatial":"San Francisco Bay region","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -123.77197265625,\n              36.94111143010769\n            ],\n            [\n              -121.201171875,\n              36.94111143010769\n            ],\n            [\n              -121.201171875,\n              38.92522904714054\n            ],\n            [\n              -123.77197265625,\n              38.92522904714054\n            ],\n            [\n              -123.77197265625,\n              36.94111143010769\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db667f80","contributors":{"authors":[{"text":"Goss, Joseph","contributorId":70480,"corporation":false,"usgs":true,"family":"Goss","given":"Joseph","email":"","affiliations":[],"preferred":false,"id":262265,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":12716,"text":"ofr741012 - 1974 - Brazil geological education project, 1958-1965","interactions":[],"lastModifiedDate":"2012-02-02T00:06:32","indexId":"ofr741012","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-1012","title":"Brazil geological education project, 1958-1965","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr741012","usgsCitation":"Bodenlos, A.J., 1974, Brazil geological education project, 1958-1965: U.S. Geological Survey Open-File Report 74-1012, 13 p, https://doi.org/10.3133/ofr741012.","productDescription":"13 p","costCenters":[],"links":[{"id":143942,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fcdcb","contributors":{"authors":[{"text":"Bodenlos, Alfred J.","contributorId":71180,"corporation":false,"usgs":true,"family":"Bodenlos","given":"Alfred","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":166592,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":14309,"text":"ofr74242 - 1974 - A special planning technique for stream-aquifer systems","interactions":[],"lastModifiedDate":"2017-09-29T08:17:02","indexId":"ofr74242","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-242","title":"A special planning technique for stream-aquifer systems","docAbstract":"<p>The potential effects of water-management plans on stream-aquifer systems in several countries have been simulated using electric-analog or digital-computer models. Many of the electric-analog models require large amounts of hardware preparation for each problem to be solved and some become so bulky that they present serious space and access problems. Digital-computer models require no special hardware preparation but often they require so many repetitive solutions of equations that they result in calculations that are unduly unwieldy and expensive, even on the latest generation of computers. Further, the more detailed digital models require a vast amount of core storage, leaving insufficient storage for evaluation of the many possible schemes of water-management. A concept introduced in 1968 by the senior author of this report offers a solution to these problems. The concept is that the effects on streamflow of ground-water withdrawal or recharge (stress) at any point in such a system can be approximated using two classical equations and a value of time that reflects the integrated effect of the following: irregular impermeable boundaries; stream meanders; aquifer properties and their areal variations; distance of the point from the stream; and imperfect hydraulic connection between the stream and the aquifer. The value of time is called the stream depletion factor (<i>sdf</i>). Results of a relatively few tests on detailed models can be summarized on maps showing lines through points of equal <i>sdf</i>. Sensitivity analyses of models of two large stream-aquifer systems in the State of Colorado show that the <i>sdf</i> technique described in this report provides results within tolerable ranges of error. The <i>sdf</i> technique is extremely versatile, allowing water managers to choose the degree of detail that best suits their needs and available computational hardware. Simple arithmetic, using, for example, only a slide rule and charts or tables of dimensionless values, will be sufficient for many calculations. If a large digital computer is available, detailed description of the system and its stresses will require only a fraction of the core storage, leaving the greater part of the storage available for sophisticated analyses, such as optimization. Once these analyses have been made, the model then is ready to perform its principal task--prediction of streamflow and changes in ground-water storage. In the two systems&nbsp;described in this report, direct diversion from the streams is the principal source of irrigation water, but it is supplemented by numerous wells. The streamflow depends largely on snowmelt. Estimates of both the amount and timing of runoff from snowmelt during the irrigation season are available on a monthly basis during the spring and early summer. These estimates become increasingly accurate as the season progresses, hence frequent changes of stress on the predictive model are necessary. The <i>sdf</i> technique is especially well suited to this purpose, because it is very easy to make such changes, resulting in more up-todate estimates of the availability of streamflow and ground-water storage. These estimates can be made for any time and any location in the system.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr74242","collaboration":"Prepared in cooperation with the Colorado Water Conservation Board and the Southeastern Colorado Water Conservancy District","usgsCitation":"Jenkins, C., and Taylor, O., 1974, A special planning technique for stream-aquifer systems: U.S. Geological Survey Open-File Report 74-242, 16 p., https://doi.org/10.3133/ofr74242.","productDescription":"16 p.","costCenters":[],"links":[{"id":147909,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/0242/report-thumb.jpg"},{"id":346208,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/0242/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a63b5","contributors":{"authors":[{"text":"Jenkins, C.T.","contributorId":106099,"corporation":false,"usgs":true,"family":"Jenkins","given":"C.T.","email":"","affiliations":[],"preferred":false,"id":169241,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Taylor, O. James","contributorId":23958,"corporation":false,"usgs":true,"family":"Taylor","given":"O. James","affiliations":[],"preferred":false,"id":169240,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":12603,"text":"ofr7483 - 1974 - Mapping the planet Mars by Mariner 9","interactions":[{"subject":{"id":12603,"text":"ofr7483 - 1974 - Mapping the planet Mars by Mariner 9","indexId":"ofr7483","publicationYear":"1974","noYear":false,"title":"Mapping the planet Mars by Mariner 9"},"predicate":"SUPERSEDED_BY","object":{"id":70042713,"text":"70042713 - 1979 - Atlas of Mars: the 1:5,000,000 map series","indexId":"70042713","publicationYear":"1979","noYear":false,"title":"Atlas of Mars: the 1:5,000,000 map series"},"id":1}],"supersededBy":{"id":70042713,"text":"70042713 - 1979 - Atlas of Mars: the 1:5,000,000 map series","indexId":"70042713","publicationYear":"1979","noYear":false,"title":"Atlas of Mars: the 1:5,000,000 map series"},"lastModifiedDate":"2025-08-05T13:49:03.632871","indexId":"ofr7483","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-83","title":"Mapping the planet Mars by Mariner 9","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7483","usgsCitation":"Batson, R.M., and Dwornik, S., 1974, Mapping the planet Mars by Mariner 9: U.S. Geological Survey Open-File Report 74-83, ii, 36 p., https://doi.org/10.3133/ofr7483.","productDescription":"ii, 36 p.","costCenters":[],"links":[{"id":493540,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/0083/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":145589,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/0083/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0be4b07f02db69d7df","contributors":{"authors":[{"text":"Batson, Raymond M.","contributorId":13989,"corporation":false,"usgs":true,"family":"Batson","given":"Raymond","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":166403,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dwornik, S.E.","contributorId":99991,"corporation":false,"usgs":true,"family":"Dwornik","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":166404,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":14467,"text":"ofr741058 - 1974 - Geochemical sampling at the Jones-Keystone Mine, Randolph County, North Carolina","interactions":[],"lastModifiedDate":"2012-02-02T00:07:03","indexId":"ofr741058","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-1058","title":"Geochemical sampling at the Jones-Keystone Mine, Randolph County, North Carolina","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr741058","usgsCitation":"Kinkel, A.R., 1974, Geochemical sampling at the Jones-Keystone Mine, Randolph County, North Carolina (OFR/WRI 74-1058): U.S. Geological Survey Open-File Report 74-1058, 5 p., https://doi.org/10.3133/ofr741058.","productDescription":"5 p.","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":147763,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/1058/report-thumb.jpg"},{"id":43148,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/1058/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"edition":"OFR/WRI 74-1058","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ade0d","contributors":{"authors":[{"text":"Kinkel, Arthur R. Jr.","contributorId":27440,"corporation":false,"usgs":true,"family":"Kinkel","given":"Arthur","suffix":"Jr.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":169507,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":60658,"text":"mf603 - 1974 - Geologic map of the Scenic and parts of the Brennan Flat and Sheep Mountain Table quadrangles, Pennington and Shannon counties, South Dakota","interactions":[],"lastModifiedDate":"2012-02-10T00:10:38","indexId":"mf603","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"603","title":"Geologic map of the Scenic and parts of the Brennan Flat and Sheep Mountain Table quadrangles, Pennington and Shannon counties, South Dakota","language":"ENGLISH","doi":"10.3133/mf603","usgsCitation":"Raymond, W.H., and King, R., 1974, Geologic map of the Scenic and parts of the Brennan Flat and Sheep Mountain Table quadrangles, Pennington and Shannon counties, South Dakota: U.S. Geological Survey Miscellaneous Field Studies Map 603, 1 map on 2 sheets., https://doi.org/10.3133/mf603.","productDescription":"1 map on 2 sheets.","costCenters":[],"links":[{"id":104192,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3719.htm","linkFileType":{"id":5,"text":"html"},"description":"3719"},{"id":180385,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -102.61749999999999,40 ], [ -102.61749999999999,43.916666666666664 ], [ -102.5,43.916666666666664 ], [ -102.5,40 ], [ -102.61749999999999,40 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae6e4b07f02db68b73d","contributors":{"authors":[{"text":"Raymond, W. H.","contributorId":83919,"corporation":false,"usgs":true,"family":"Raymond","given":"W.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":264150,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"King, R.U.","contributorId":7692,"corporation":false,"usgs":true,"family":"King","given":"R.U.","email":"","affiliations":[],"preferred":false,"id":264149,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":13707,"text":"ofr74227 - 1974 - Hard iron ore at the Cliffs Shaft Mines, Ishpeming, Michigan","interactions":[],"lastModifiedDate":"2023-11-20T23:54:11.088806","indexId":"ofr74227","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-227","title":"Hard iron ore at the Cliffs Shaft Mines, Ishpeming, Michigan","docAbstract":"<p>At the Cliffs Shaft Mines, for many years the premiere hard iron ore mine of Michigan, bodies of ore typically are localized in the upper part of the Negaunee iron-formation, close beneath Goodrich Quartzite in the axial part of the Marquette synclinorium. Individual ore bodies may be as much as 100 feet thick and extend laterally for many hundreds of feet. The cluster of ore bodies making up the Cliffs Shaft deposit has an overall length of about 4,500 feet from east to west parallel to the axis of the syncliorium and a width of 1,500 feet from north to south. The deposit extends beneath much of the City of Ishpeming, from a short distance west of the city limits to almost the east edge of the city.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr74227","usgsCitation":"Gair, J.E., 1974, Hard iron ore at the Cliffs Shaft Mines, Ishpeming, Michigan: U.S. Geological Survey Open-File Report 74-227, 6 p., https://doi.org/10.3133/ofr74227.","productDescription":"6 p.","costCenters":[],"links":[{"id":422766,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/0227/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147420,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/0227/report-thumb.jpg"}],"country":"United States","state":"Michigan","city":"Ishpeming","otherGeospatial":"Cliffs Shaft Mines","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -87.72071958635472,\n              46.49679965272563\n            ],\n            [\n              -87.72071958635472,\n              46.46933892121058\n            ],\n            [\n              -87.637519822388,\n              46.46933892121058\n            ],\n            [\n              -87.637519822388,\n              46.49679965272563\n            ],\n            [\n              -87.72071958635472,\n              46.49679965272563\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a75e4b07f02db644b9f","contributors":{"authors":[{"text":"Gair, Jacob Eugene","contributorId":14387,"corporation":false,"usgs":true,"family":"Gair","given":"Jacob","email":"","middleInitial":"Eugene","affiliations":[],"preferred":false,"id":168269,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":15144,"text":"ofr7431 - 1974 - Catalog of creepmeter measurements in central California from 1968 to 1972","interactions":[],"lastModifiedDate":"2017-06-18T21:50:58","indexId":"ofr7431","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-31","title":"Catalog of creepmeter measurements in central California from 1968 to 1972","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7431","usgsCitation":"Nason, R.D., Philippsborn, F., and Yamashita, P., 1974, Catalog of creepmeter measurements in central California from 1968 to 1972: U.S. Geological Survey Open-File Report 74-31, 287 p. :ill., maps ;27 cm., https://doi.org/10.3133/ofr7431.","productDescription":"287 p. :ill., maps ;27 cm.","costCenters":[],"links":[{"id":148705,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f3e4b07f02db5efbc2","contributors":{"authors":[{"text":"Nason, Robert D.","contributorId":57073,"corporation":false,"usgs":true,"family":"Nason","given":"Robert","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":170652,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Philippsborn, F.R.","contributorId":22786,"corporation":false,"usgs":true,"family":"Philippsborn","given":"F.R.","email":"","affiliations":[],"preferred":false,"id":170650,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Yamashita, P.A.","contributorId":50536,"corporation":false,"usgs":true,"family":"Yamashita","given":"P.A.","email":"","affiliations":[],"preferred":false,"id":170651,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":15147,"text":"ofr741075 - 1974 - Flashing flow in hot water geothermal wells","interactions":[],"lastModifiedDate":"2016-01-06T18:06:02","indexId":"ofr741075","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","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":"Flashing flow in hot water geothermal wells","docAbstract":"<p>The production characteristics of hot-water geothermal wells which flash to steam-water mixtures in the cased part of the hole were-analyzed. The flashing flow is assumed to be isenthalpic and, for purposes of calculating pressure drop, a finely dispersed mixture of equal average velocity. Water flow in the aquifer is treated using steady, radial Darcy flow. Calculations for a typical geothermal well show the effects on production of varying the system parameters of aquifer permeability, depth to water table, and base temperature. Field data from Wairakei, New Zealand, demonstrate the reductions in flow caused by mineral deposits in the bore. Data from Imperial Valley, Calif., agree well with calculated results.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Nathenson, M., 1974, Flashing flow in hot water geothermal wells: Journal of Research of the U.S. Geological Survey, v. 2, no. 6, p. 743-751.","productDescription":"9 p.","startPage":"743","endPage":"751","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":148708,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":307261,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1974/vol2issue6/report.pdf","text":"Report","size":"16.19 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"volume":"2","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f2e4b07f02db5ef223","contributors":{"authors":[{"text":"Nathenson, Manuel 0000-0002-5216-984X mnathnsn@usgs.gov","orcid":"https://orcid.org/0000-0002-5216-984X","contributorId":1358,"corporation":false,"usgs":true,"family":"Nathenson","given":"Manuel","email":"mnathnsn@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":170659,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59470,"text":"mf563 - 1974 - Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of gold and silver, Brooks Spring Quadrangle, Humboldt County, Nevada","interactions":[],"lastModifiedDate":"2013-05-20T13:22:57","indexId":"mf563","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"563","title":"Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of gold and silver, Brooks Spring Quadrangle, Humboldt County, Nevada","language":"ENGLISH","doi":"10.3133/mf563","usgsCitation":"Erickson, R.L., and Marsh, S., 1974, Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of gold and silver, Brooks Spring Quadrangle, Humboldt County, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map 563, 1 map., https://doi.org/10.3133/mf563.","productDescription":"1 map.","costCenters":[],"links":[{"id":180572,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":272450,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0563/plate-1.pdf"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.36749999999999,40.75 ], [ -117.36749999999999,40.8675 ], [ -117.25,40.8675 ], [ -117.25,40.75 ], [ -117.36749999999999,40.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b20e4b07f02db6ab8f9","contributors":{"authors":[{"text":"Erickson, R. L.","contributorId":26318,"corporation":false,"usgs":true,"family":"Erickson","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":262072,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":262073,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":62103,"text":"gq1210 - 1974 - Geologic map of part of the Jenkins East quadrangle, Pike and Letcher Counties, Kentucky","interactions":[],"lastModifiedDate":"2012-02-10T00:10:33","indexId":"gq1210","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":316,"text":"Geologic Quadrangle","code":"GQ","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1210","title":"Geologic map of part of the Jenkins East quadrangle, Pike and Letcher Counties, Kentucky","language":"ENGLISH","doi":"10.3133/gq1210","usgsCitation":"Wolcott, D.E., 1974, Geologic map of part of the Jenkins East quadrangle, Pike and Letcher Counties, Kentucky: U.S. Geological Survey Geologic Quadrangle 1210, 1 map :col. ;58 x 46 cm., on sheet 79 x 93 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/gq1210.","productDescription":"1 map :col. ;58 x 46 cm., on sheet 79 x 93 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":107640,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_10748.htm","linkFileType":{"id":5,"text":"html"},"description":"10748"},{"id":248300,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gq/1210/report.pdf","size":"40","linkFileType":{"id":1,"text":"pdf"}},{"id":253194,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gq/1210/report-thumb.jpg"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -82.61749999999999,37.1175 ], [ -82.61749999999999,37.25 ], [ -82.5,37.25 ], [ -82.5,37.1175 ], [ -82.61749999999999,37.1175 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b12e4b07f02db6a286e","contributors":{"authors":[{"text":"Wolcott, Don E.","contributorId":48154,"corporation":false,"usgs":true,"family":"Wolcott","given":"Don","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":266917,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":16671,"text":"ofr7453 - 1974 - Reconnaissance engineering geology of Sitka and vicinity, Alaska, with emphasis on evaluation of earthquake and other geologic hazards","interactions":[],"lastModifiedDate":"2012-02-02T00:07:17","indexId":"ofr7453","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-53","title":"Reconnaissance engineering geology of Sitka and vicinity, Alaska, with emphasis on evaluation of earthquake and other geologic hazards","docAbstract":"A program to study the engineering geology of most of the larger Alaska coastal communities and to evaluate their earthquake and other geologic hazards was started following the 1964 Alaska earthquake; this report about Sitka and vicinity is a product of that program. Field-study methods were of a reconnaissance nature, and thus the interpretations in the report are subject to revision as further information becomes available. This report can provide broad geologic guidelines for planners and engineers during preparation of land-use plans. The use of this information should lead to minimizing future loss of life and property due to geologic hazards, especially during very large earthquakes. \r\n\r\nLandscape of Sitka and surrounding area is characterized by numerous islands and a narrow strip of gently rolling ground adjacent to rugged mountains; steep valleys and some fiords cut sharply into the mountains. A few valley floors are wide and flat and grade into moderate-sized deltas. \r\n\r\nGlaciers throughout southeastern Alaska and elsewhere became vastly enlarged during the Pleistocene Epoch. The Sitka area presumably was covered by ice several times; glaciers deeply eroded some valleys and removed fractured bedrock along some faults. The last major deglaciation occurred sometime before 10,000 years ago. Crustal rebound believed to be related to glacial melting caused land emergence at Sitka of at least 35 feet (10.7 m) relative to present sea level. \r\n\r\nBedrock at Sitka and vicinity is composed mostly of bedded, hard, dense graywacke and some argillite. Beds strike predominantly northwest and are vertical or steeply dipping. Locally, bedded rocks are cut by dikes of fine-grained igneous rock. Host bedrock is of Jurassic and Cretaceous age. \r\n\r\nEight types of surficial deposits of Quaternary age were recognized. Below altitudes of 3S feet (10.7 m), the dominant deposits are those of modern and elevated shores and deltas; at higher altitudes, widespread muskeg overlies a mantle of volcanic ash which commonly overlies glacial drift. Alluvial deposits are minor. Man-emplaced embankment fill, chiefly sandy gravel, covers many muskeg and former offshore areas; quarried blocks of graywacke are placed to form breakwaters and to edge large areas of embankment fill and modified ground.\r\n\r\nThe geologic structure of the area is known only in general outlines. Most bedded Mesozoic rocks probably are part of broad northwest-trending complexes of anticlines and synclines. Intrusion of large bodies of plutonic igneous rocks occurred in Tertiary and Cretaceous time. Extensive faulting is suggested by the numerous linear to gently curving patterns of some fiords, lakes, and valleys, and by a group of Holocene volcanoes and cinder cones. Two major northwest-striking fault zones are most prominent: (1) the apparently inactive Chichagof-Sitka fault, about 2.5 miles (4.0 km) northeast of Sitka, and {2) part of the active 800-mile- (1,200-km) long Fairweather-Queen Charlotte Islands fault system, lying about 30 miles (48 km) southwest of the city. \r\n\r\nMany earthquakes have been reported as felt at Sitka since 1832, when good records were first maintained; several shocks were very strong, but none of them caused severe damage. The closest major earthquake (magnitude about 7.3) causing some damage to the city occurred July 30, 1972, and had an epicenter about 30 miles (48 km) to the southwest. Movement along the Fairweather-Queen Charlotte Islands fault system apparently caused most of the earthquakes felt at Sitka. \r\n\r\nThe probability of destructive earthquakes at Sitka is unknown. The tectonics of the region and the seismic record suggest that sometime in the future an earthquake of a magnitude of about 8 and related to the Fairweather-Queen Charlotte Islands fault system probably will occur in or near the area. \r\n\r\nEffects from some nearby major earthquakes could cause substantial damage at Sitka. Eight possible effects are as follows: \r\n\r\n1. Sudden dis","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr7453","usgsCitation":"Yehle, L.A., 1974, Reconnaissance engineering geology of Sitka and vicinity, Alaska, with emphasis on evaluation of earthquake and other geologic hazards: U.S. Geological Survey Open-File Report 74-53, iii, 104 leaves :ill., maps ;29 cm.; (3 sheets, 8 tables, scale 1:9,600 - PGS), https://doi.org/10.3133/ofr7453.","productDescription":"iii, 104 leaves :ill., maps ;29 cm.; (3 sheets, 8 tables, scale 1:9,600 - PGS)","costCenters":[],"links":[{"id":108607,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_15070.htm","linkFileType":{"id":5,"text":"html"},"description":"15070"},{"id":150378,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/0053/report-thumb.jpg"},{"id":45718,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1974/0053/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45719,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1974/0053/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45720,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1974/0053/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45721,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/0053/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"9600","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a74e4b07f02db64440b","contributors":{"authors":[{"text":"Yehle, Lynn A. yehle@usgs.gov","contributorId":3794,"corporation":false,"usgs":true,"family":"Yehle","given":"Lynn","email":"yehle@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":173259,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":63068,"text":"gq1117 - 1974 - Geologic map of the Welches Canyon quadrangle, Eureka County, Nevada","interactions":[],"lastModifiedDate":"2012-02-10T00:10:47","indexId":"gq1117","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":316,"text":"Geologic Quadrangle","code":"GQ","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1117","title":"Geologic map of the Welches Canyon quadrangle, Eureka County, Nevada","language":"ENGLISH","doi":"10.3133/gq1117","usgsCitation":"Evans, J.G., 1974, Geologic map of the Welches Canyon quadrangle, Eureka County, Nevada: U.S. Geological Survey Geologic Quadrangle 1117, 1 map., https://doi.org/10.3133/gq1117.","productDescription":"1 map.","costCenters":[],"links":[{"id":107553,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_10658.htm","linkFileType":{"id":5,"text":"html"},"description":"10658"},{"id":249197,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gq/1117/report.pdf","size":"26","linkFileType":{"id":1,"text":"pdf"}},{"id":252362,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gq/1117/report-thumb.jpg"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -116.36749999999999,40.75 ], [ -116.36749999999999,40.8675 ], [ -116.25,40.8675 ], [ -116.25,40.75 ], [ -116.36749999999999,40.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae4e4b07f02db68a248","contributors":{"authors":[{"text":"Evans, James George","contributorId":73578,"corporation":false,"usgs":true,"family":"Evans","given":"James","email":"","middleInitial":"George","affiliations":[],"preferred":false,"id":268275,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":42975,"text":"ofr74316 - 1974 - Streamflow on north coast of Long Island Sound, Greater Bridgeport Valley, Connecticut","interactions":[],"lastModifiedDate":"2012-02-02T00:11:01","indexId":"ofr74316","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1974","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"74-316","title":"Streamflow on north coast of Long Island Sound, Greater Bridgeport Valley, Connecticut","language":"ENGLISH","doi":"10.3133/ofr74316","usgsCitation":"Burke, E., 1974, Streamflow on north coast of Long Island Sound, Greater Bridgeport Valley, Connecticut: U.S. Geological Survey Open-File Report 74-316, 1 map, https://doi.org/10.3133/ofr74316.","productDescription":"1 map","costCenters":[],"links":[{"id":168121,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":80780,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1974/0316/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4d5e","contributors":{"authors":[{"text":"Burke, E.L.","contributorId":9330,"corporation":false,"usgs":true,"family":"Burke","given":"E.L.","email":"","affiliations":[],"preferred":false,"id":227514,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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