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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf791","isbn":"0607802405","usgsCitation":"Ross, D.C., 1976, Maps showing distribution of metamorphic rocks and occurrences of garnet, coarse graphite, sillimanite, orthopyroxene, clinopyroxene, and plagioclase amphibolite, Santa Lucia Range, Salinian Block, California: U.S. Geological Survey Miscellaneous Field Studies Map 791, 1 Plate: 42.32 x 29.07 inches, https://doi.org/10.3133/mf791.","productDescription":"1 Plate: 42.32 x 29.07 inches","costCenters":[],"links":[{"id":182777,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":276313,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0791/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":486015,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3962.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"384600","country":"United States","state":"California","otherGeospatial":"Salinian Block, Santa Lucia Range","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -122,\n 36.5875\n ],\n [\n -122,\n 35.95\n ],\n [\n -121.25,\n 35.95\n ],\n [\n -121.25,\n 36.5875\n ],\n [\n -122,\n 36.5875\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db605780","contributors":{"authors":[{"text":"Ross, D. C.","contributorId":103681,"corporation":false,"usgs":true,"family":"Ross","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":265631,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":61818,"text":"gq1364 - 1976 - Geologic map of the Campbellsburg quadrangle, north-central Kentucky","interactions":[],"lastModifiedDate":"2012-02-10T00:10:35","indexId":"gq1364","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","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":"1364","title":"Geologic map of the Campbellsburg quadrangle, north-central Kentucky","language":"ENGLISH","doi":"10.3133/gq1364","usgsCitation":"Swadley, W.C., and Gibbons, A.B., 1976, Geologic map of the Campbellsburg quadrangle, north-central Kentucky: U.S. Geological Survey Geologic Quadrangle 1364, 1 map :col. ;59 x 47 cm., on sheet 80 x 100 cm., folded in envelope 30 x 24 cm., https://doi.org/10.3133/gq1364.","productDescription":"1 map :col. ;59 x 47 cm., on sheet 80 x 100 cm., folded in envelope 30 x 24 cm.","costCenters":[],"links":[{"id":107790,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_10899.htm","linkFileType":{"id":5,"text":"html"},"description":"10899"},{"id":248109,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gq/1364/report.pdf","size":"38","linkFileType":{"id":1,"text":"pdf"}},{"id":252852,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gq/1364/report-thumb.jpg"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -85.25,38.5 ], [ -85.25,38.6175 ], [ -85.11749999999999,38.6175 ], [ -85.11749999999999,38.5 ], [ -85.25,38.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0ae4b07f02db69d4a5","contributors":{"authors":[{"text":"Swadley, W. C.","contributorId":46940,"corporation":false,"usgs":true,"family":"Swadley","given":"W.","middleInitial":"C.","affiliations":[],"preferred":false,"id":266407,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gibbons, A. B.","contributorId":12016,"corporation":false,"usgs":true,"family":"Gibbons","given":"A.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":266406,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":60804,"text":"mf803 - 1976 - Reconnaissance map showing relative amounts of soil and bedrock in the Platte Canyon quadrangle, Jefferson County, Colorado","interactions":[],"lastModifiedDate":"2025-05-15T19:58:44.396914","indexId":"mf803","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","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":"803","title":"Reconnaissance map showing relative amounts of soil and bedrock in the Platte Canyon quadrangle, Jefferson County, Colorado","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf803","usgsCitation":"Schmidt, P.W., 1976, Reconnaissance map showing relative amounts of soil and bedrock in the Platte Canyon quadrangle, Jefferson County, Colorado: U.S. Geological Survey Miscellaneous Field Studies Map 803, 1 Plate: 26.97 x 39.82 inches, https://doi.org/10.3133/mf803.","productDescription":"1 Plate: 26.97 x 39.82 inches","costCenters":[],"links":[{"id":182269,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":276343,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0803/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":486018,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3973.htm","linkFileType":{"id":5,"text":"html"}}],"state":"Colorado","county":"Jefferson County","otherGeospatial":"Platte Canyon quadrangle","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -105.25,\n 39.5\n ],\n [\n -105.25,\n 39.375\n ],\n [\n -105.125,\n 39.375\n ],\n [\n -105.125,\n 39.5\n ],\n [\n -105.25,\n 39.5\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6ce4b07f02db63e8b1","contributors":{"authors":[{"text":"Schmidt, P. W.","contributorId":28303,"corporation":false,"usgs":true,"family":"Schmidt","given":"P.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":264417,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":26664,"text":"wri7618 - 1976 - Availability of ground water in the Middle Connecticut River basin, west-central New Hampshire","interactions":[],"lastModifiedDate":"2019-07-15T11:14:17","indexId":"wri7618","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-18","title":"Availability of ground water in the Middle Connecticut River basin, west-central New Hampshire","docAbstract":"This report provides a guide for ground-water exploration and for water- and land-use planning and management. Sufficient amounts of water to supply single family homes are available from the bedrock aquifer nearly everywhere in the middle Connecticut River basin. Relatively thin and narrow, unconsolidated aquifers of sand or sand and gravel commonly capable of yielding more than 200 gallons per minute (12.6 litres per second) to properly located and constructed wells are found only in major stream valley.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri7618","usgsCitation":"Cotton, J.E., 1976, Availability of ground water in the Middle Connecticut River basin, west-central New Hampshire: U.S. Geological Survey Water-Resources Investigations Report 76-18, 1 Plate: 29.81 x 43.96 inches, https://doi.org/10.3133/wri7618.","productDescription":"1 Plate: 29.81 x 43.96 inches","costCenters":[],"links":[{"id":158226,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0018/report-thumb.jpg"},{"id":358899,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0018/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"New Hampshire","otherGeospatial":"Middle Connecticut River Basin","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 43.5\n ],\n [\n -71.25,\n 43.5\n ],\n [\n -71.25,\n 44.5\n ],\n [\n -72.25,\n 44.5\n ],\n [\n -72.25,\n 43.5\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d8f2","contributors":{"authors":[{"text":"Cotton, John E.","contributorId":99106,"corporation":false,"usgs":true,"family":"Cotton","given":"John","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":196795,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":26665,"text":"wri7639 - 1976 - Availability of ground water in the middle Merrimack River basin, central and southern New Hampshire","interactions":[],"lastModifiedDate":"2019-03-08T12:10:37","indexId":"wri7639","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-39","title":"Availability of ground water in the middle Merrimack River basin, central and southern New Hampshire","docAbstract":"This report provides a guide for ground-water exploration and for water- and land-use planning and management. Sufficient amounts of water to supply single family homes are available from the bedrock aquifer nearly everywhere in the middle Merrimack River basin. Relatively thin and narrow, unconsolidated aquifers of sand or sand and gravel commonly capable of yielding more than 200 gallons per minute (12.6 litres per second) to properly located and constructed wells are found only in major stream valleys.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri7639","usgsCitation":"Cotton, J.E., 1976, Availability of ground water in the middle Merrimack River basin, central and southern New Hampshire: U.S. Geological Survey Water-Resources Investigations Report 76-39, 30.04 x 43.88 inches, https://doi.org/10.3133/wri7639.","productDescription":"30.04 x 43.88 inches","costCenters":[],"links":[{"id":158232,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0039/report-thumb.jpg"},{"id":361889,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1976/0039/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"New Hampshire","otherGeospatial":"Middle Merrimack River Basin","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 42.75\n ],\n [\n -71,\n 42.75\n ],\n [\n -71,\n 43.5\n ],\n [\n -72.25,\n 43.5\n ],\n [\n -72.25,\n 42.75\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d5f0","contributors":{"authors":[{"text":"Cotton, John E.","contributorId":99106,"corporation":false,"usgs":true,"family":"Cotton","given":"John","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":196796,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":26922,"text":"wri7636 - 1976 - Sources of arsenic in streams tributary to Lake Crowley, California","interactions":[],"lastModifiedDate":"2018-11-15T11:57:48","indexId":"wri7636","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-36","title":"Sources of arsenic in streams tributary to Lake Crowley, California","docAbstract":"Lake Crowley is the largest single source of water for the city of Los Angeles. More than 50 percent of the water entering the Los Angeles-Owens River aqueduct flows through Lake Crowley. Arsenic enters Lake Crowley primarily from hot springs in Long Valley.
Sixty percent of the arsenic discharged to Lake Crowley is from hot springs in Hot Creek Gorge. The hot-spring water containing about 1,000 micrograms per litre of arsenic blends with the water flowing in the creek and is usually diluted to a concentration of about 200 micrograms per litre; additional dilution occurs downstream.
About 75 percent of the arsenic in Hot Creek is discharged from only two springs. The remaining sources of arsenic in the gorge are poorly defined seepage and flow from numerous small springs.
Other sources of arsenic in Long Valley are from either high volume and low-arsenic concentration springs, such as the springs at Hot Creek Fish Hatchery, or high-concentration and low-volume springs, such as those found in the vicinity of the Alkali lakes. These other sources individually are small in comparison with the source in Hot Creek Gorge. It seems unlikely that arsenic from these sources could cause the arsenic concentration in Lake Crowley to exceed the Environmental Protection Agency's recommended criterion (limit) for a public water supply.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri7636","usgsCitation":"Eccles, L.A., 1976, Sources of arsenic in streams tributary to Lake Crowley, California: U.S. Geological Survey Water-Resources Investigations Report 76-36, iv, 39 p., https://doi.org/10.3133/wri7636.","productDescription":"iv, 39 p.","costCenters":[],"links":[{"id":359455,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0036/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":158467,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0036/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Lake Crowley","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -119.13848876953125,\n 37.55328764595765\n ],\n [\n -118.67431640625,\n 37.55328764595765\n ],\n [\n -118.67431640625,\n 37.87160128507345\n ],\n [\n -119.13848876953125,\n 37.87160128507345\n ],\n [\n -119.13848876953125,\n 37.55328764595765\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e6e4b07f02db5e76b8","contributors":{"authors":[{"text":"Eccles, Lawrence A.","contributorId":90274,"corporation":false,"usgs":true,"family":"Eccles","given":"Lawrence","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":197250,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":28077,"text":"wri7664 - 1976 - Sediment discharge in the Upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California","interactions":[],"lastModifiedDate":"2019-07-17T09:34:05","indexId":"wri7664","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-64","title":"Sediment discharge in the Upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California","docAbstract":"Sediment data collected in the upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California, during the 1968-73 water years were analyzed to determine total sediment discharge at four stations in the basins. Water discharge and total sediment discharge at these stations, representative of the 1943-72 period, were estimated from long-term flow data for nearby gaging stations and water-sediment discharge relations determined for the 1968-73 water years. Most of the total annual sediment discharge at each station occurs during a few days each year. The quantity of sediment transported in a single day often accounts for more than 40 percent of the total annual sediment discharge. Estimated sediment discharge for the upper Arroyo Grande and Santa Rita Creek basins during the 1943-72 water years averaged 53,000 tons and 23,000 tons per year. Long-term sediment deposition in Lopez Reservoir, which is in the southern part of the upper Arroyo Grande basin, was estimated to be 35 acre-feet per year. (Woodard-USGS)","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri7664","usgsCitation":"Knott, J.M., 1976, Sediment discharge in the Upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California: U.S. Geological Survey Water-Resources Investigations Report 76-64, v, 29 p. , https://doi.org/10.3133/wri7664.","productDescription":"v, 29 p. ","costCenters":[],"links":[{"id":365649,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0064/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":158035,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0064/report-thumb.jpg"}],"country":"United States","state":"California","county":"San Luis Obispo County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.21490478515625,\n 35.064849103829204\n ],\n [\n -120.03799438476561,\n 35.064849103829204\n ],\n [\n -120.03799438476561,\n 35.65618041632016\n ],\n [\n -121.21490478515625,\n 35.65618041632016\n ],\n [\n -121.21490478515625,\n 35.064849103829204\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0be4b07f02db5fc024","contributors":{"authors":[{"text":"Knott, J. M.","contributorId":77909,"corporation":false,"usgs":true,"family":"Knott","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":199183,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":27847,"text":"wri765 - 1976 - Water-quality investigation, Eel River, California","interactions":[],"lastModifiedDate":"2018-11-02T10:27:50","indexId":"wri765","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-5","title":"Water-quality investigation, Eel River, California","docAbstract":"This report summarizes selected water-quality data collected in the Eel River, Calif., during a reconnaissance study from November 1971 through January 1975. It also includes a summary of the major inorganic chemical data collected near Dos Rios, at South Fork, and at Scotia since the early 1950's. The recent reconnaissance involved data collection for nitrogen, phosphorus, total organic carbon, trace elements, and pesticide compounds in the river at Van Arsdale Dam, near Dos Rios, at Fort Seward, and at Scotia.
The number of samples collected during the special reconnaissance is somewhat limited, and therefore the data are only an estimate of conditions that presently exist at selected sites in the river. Results indicate that most of the constituents were low in concentration; although some variability was measured for some constituents. Sampling was designed so that samples collected at each site would represent a large range in discharge. Results indicate that discharge was not the singular factor controlling the concentration variance for most constituents. However, the concentrations of total ammonia, phosphorus, arsenic, chromium, copper, and zinc indicated a direct relation with discharge at some sites.
Statistical analysis indicates that the past sampling program has been adequate to estimate the major chemical constituents of the river. Specific conductance in the river near its headwaters ranges from 110 to 300 micromhos about 98 percent of the time; and at Scotia, near the mouth, the specific conductance ranges from 110 to 340 micromhos about 98 percent of the time.
Results of regression analyses indicate that between 83 and 88 percent of the variance in specific conductance can be explained by discharge.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri765","usgsCitation":"Irwin, G.A., 1976, Water-quality investigation, Eel River, California: U.S. Geological Survey Water-Resources Investigations Report 76-5, iv, 35 p., https://doi.org/10.3133/wri765.","productDescription":"iv, 35 p.","costCenters":[],"links":[{"id":158604,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0005/report-thumb.jpg"},{"id":359110,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0005/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"California","otherGeospatial":"Eel River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -124.49707031249999,\n 39.33854604847979\n ],\n [\n -122.8,\n 39.33854604847979\n ],\n [\n -122.8,\n 40.896905775860006\n ],\n [\n -124.49707031249999,\n 40.896905775860006\n ],\n [\n -124.49707031249999,\n 39.33854604847979\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e3e4b07f02db5e54cc","contributors":{"authors":[{"text":"Irwin, George A.","contributorId":35363,"corporation":false,"usgs":true,"family":"Irwin","given":"George","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":198774,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":27566,"text":"wri7525 - 1976 - Geohydrology of the Oklahoma Panhandle, Beaver, Cimarron, and Texas Counties","interactions":[],"lastModifiedDate":"2018-11-05T15:33:52","indexId":"wri7525","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"75-25","title":"Geohydrology of the Oklahoma Panhandle, Beaver, Cimarron, and Texas Counties","docAbstract":"The Ogallala aquifer, which consists of semiconsolidated clay, sand, and gravel, is the principal source of ground water in the Oklahoma Panhandle. This aquifer commonly yields 500 to 1,000 gallons per minute (32 to 63 litres per second) and may yield as much as 2,500 gallons per minute (158 litres per second). Based on an estimated average storage coefficient of 0.1, the quantity of water stored in the Ogallala aquifer was computed at approximately 50 million acre-feet (6.17 x 101° cubic metres). Local overdevelopment of this water resource has resulted in water-level declines of more than 40 feet (12 metres) from 1966 to 1972 in some areas of concentrated well development. The amount of ground water in storage has been reduced about 2 percent during this period.
Aquifer tests indicate that transmissivity ranges from 500 to 11,800 feet squared per day (46 to 1,100 metres squared per day), the storage coefficient ranges from 0.002 to 0.11, and hydraulic conductivity ranges from 2.1 to 55 feet per day (0.6 to 16.8 metres per day). In addition to these tests, 802 specific-capacity tests were used to extend transmissivity data.
Recharge to the Ogallala aquifer is primarily from precipitation and may be as much as 1 inch (25 millimetres) per year in areas where catchment and percolation are most favorable. Discharge is primarily from pumping and a small amount of natural discharge.
Aquifers of limited importance are the Dakota Sandstone and the Cheyenne Sandstone Member of the Purgatoire Formation which provide water to irrigation wells in the southwestern part of Cimarron County. Irrigation wells generally are completed jointly in these aquifers and yields of 300 to 500 gallons per minute (19 to 32 litres per second) are common. Water levels in these aquifers have not shown the pronounced declines that have occurred in the Ogallala aquifer. Permian red beds provide only small quantities of water to domestic and stock wells.
Water in the Ogallala aquifer, Dakota Sandstone, and Cheyenne Sandstone Member generally has a dissolved-solids concentration of less than 500 milligrams per litre. The dissolved-solids concentration in water from the Permian red beds generally exceeds 500 milligrams per litre and locally exceeds 2,000 milligrams per litre.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri7525","usgsCitation":"Hart, D., Hoffman, G.L., and Goemaat, R.L., 1976, Geohydrology of the Oklahoma Panhandle, Beaver, Cimarron, and Texas Counties: U.S. Geological Survey Water-Resources Investigations Report 75-25, Report: v, 62 p.; 10 Plates, https://doi.org/10.3133/wri7525.","productDescription":"Report: v, 62 p.; 10 Plates","numberOfPages":"65","costCenters":[],"links":[{"id":159015,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1975/0025/report-thumb.jpg"},{"id":359199,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1975/0025/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359200,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359201,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359202,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359203,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359204,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359205,"rank":8,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-6.pdf"},{"id":359206,"rank":9,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-7.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359207,"rank":10,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-8.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359208,"rank":11,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-9.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":359209,"rank":12,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1975/0025/plate-10.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Oklahoma","county":"Beaver County, Cimarron County, Texas County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-100.9441,36.9988],[-100.6337,36.9986],[-100.1079,36.9983],[-100.0902,36.9983],[-100.0024,36.9985],[-100.004,36.8538],[-100.0044,36.76],[-100.0045,36.5917],[-100.0044,36.5849],[-100.0038,36.4998],[-100.1458,36.4998],[-100.3204,36.4999],[-100.5459,36.4994],[-100.7022,36.5],[-100.8939,36.4998],[-100.9524,36.4998],[-101.0908,36.5003],[-101.6255,36.5025],[-101.87,36.5034],[-102.1618,36.5004],[-103.0007,36.5013],[-103.0007,36.5905],[-103.0007,36.6732],[-103.0007,36.7643],[-103.0008,36.9341],[-103.0009,36.999],[-102.7973,36.9988],[-102.7859,36.9988],[-102.7808,36.9986],[-102.7016,36.9958],[-102.6943,36.9957],[-102.6757,36.9956],[-102.5627,36.9962],[-102.5372,36.9963],[-102.5034,36.9963],[-102.4775,36.9963],[-102.4577,36.9961],[-102.3931,36.9955],[-102.351,36.9951],[-102.3247,36.9948],[-102.0423,36.9922],[-102.0417,36.9922],[-102.0281,36.9925],[-101.9881,36.9925],[-101.918,36.9929],[-101.5552,36.9951],[-101.544,36.9952],[-101.2679,36.9967],[-101.0671,36.9978],[-100.9536,36.9988],[-100.9441,36.9988]]]},\"properties\":{\"name\":\"Beaver\",\"state\":\"OK\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1be4b07f02db6a890c","contributors":{"authors":[{"text":"Hart, D.L.","contributorId":13239,"corporation":false,"usgs":true,"family":"Hart","given":"D.L.","affiliations":[],"preferred":false,"id":198336,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoffman, G. L.","contributorId":70713,"corporation":false,"usgs":true,"family":"Hoffman","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":198338,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Goemaat, Robert L.","contributorId":64256,"corporation":false,"usgs":true,"family":"Goemaat","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":198337,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":28071,"text":"wri7672 - 1976 - Hydrology of Lake County, Florida","interactions":[],"lastModifiedDate":"2019-07-17T13:42:04","indexId":"wri7672","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-72","title":"Hydrology of Lake County, Florida","docAbstract":"Lake County includes a 1,150 square-mile area consisting of ridges, uplands, and valleys in central-peninsular Florida. About 32 percent of the county is covered by lakes, swamps, and marshes. Water requirements in 1970 averaged about 54 million gallons per day. About 85 percent of the water was obtained from wells; about 15 percent from lakes. The Floridan aquifer supplies almost all the ground water used in Lake County. Annual recharge to the Floridan aquifer averages about 7 inches over the county; runoff average 8.5 inches. The quality of ground and surface water in Lake County is in general good enough for most uses; however, the poor quality of Floridan-aquifer water in the St. John River Valley probably results from the upward movement of saline water along a fault zone. Surface water in Lake County is usually less mineralized than ground water but is more turbid and colored. (Woodard-USGS)","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri7672","usgsCitation":"Knochenmus, D.D., and Hughes, G., 1976, Hydrology of Lake County, Florida: U.S. Geological Survey Water-Resources Investigations Report 76-72, vi, 100 p. , https://doi.org/10.3133/wri7672.","productDescription":"vi, 100 p. ","costCenters":[],"links":[{"id":365650,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0072/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":158023,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0072/report-thumb.jpg"}],"country":"United States","state":"Florida","county":"Lake County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-81.6413,29.3281],[-81.5813,29.2216],[-81.5588,29.1981],[-81.5449,29.187],[-81.545,29.1864],[-81.5336,29.1825],[-81.5301,29.176],[-81.524,29.1722],[-81.5202,29.1579],[-81.5138,29.1472],[-81.5093,29.1375],[-81.503,29.1245],[-81.5018,29.1116],[-81.4984,29.1032],[-81.4974,29.1],[-81.4949,29.099],[-81.4938,29.0985],[-81.4845,29.096],[-81.4804,29.095],[-81.4667,29.097],[-81.4569,29.0949],[-81.4524,29.087],[-81.4547,29.0802],[-81.454,29.0705],[-81.4454,29.0612],[-81.4367,29.055],[-81.4307,29.0466],[-81.423,29.0432],[-81.4185,29.0389],[-81.4096,29.0387],[-81.4019,29.0353],[-81.3995,29.0293],[-81.3949,29.026],[-81.3929,29.0218],[-81.387,29.0125],[-81.3824,29.0087],[-81.3794,29.0036],[-81.3761,28.9952],[-81.373,28.9933],[-81.3657,28.9931],[-81.358,28.9888],[-81.3556,28.9837],[-81.3594,28.9778],[-81.3643,28.9715],[-81.3675,28.9675],[-81.3662,28.961],[-81.3658,28.9555],[-81.3606,28.9558],[-81.3566,28.9502],[-81.3548,28.941],[-81.3535,28.9336],[-81.3528,28.9244],[-81.355,28.9194],[-81.3583,28.9131],[-81.358,28.9057],[-81.3557,28.8974],[-81.356,28.8891],[-81.3596,28.8888],[-81.3643,28.8884],[-81.366,28.8848],[-81.3672,28.8793],[-81.3695,28.8716],[-81.3738,28.8685],[-81.376,28.8653],[-81.3793,28.8594],[-81.3836,28.8526],[-81.3933,28.8441],[-81.405,28.8362],[-81.4135,28.829],[-81.4201,28.8181],[-81.4173,28.8066],[-81.4138,28.7859],[-81.5291,28.7858],[-81.5333,28.7859],[-81.5348,28.7859],[-81.5432,28.7861],[-81.6466,28.7857],[-81.6482,28.7839],[-81.6461,28.782],[-81.6448,28.7755],[-81.6465,28.7701],[-81.6486,28.7678],[-81.6544,28.7666],[-81.6585,28.7667],[-81.6586,28.69],[-81.6576,28.5953],[-81.6572,28.5925],[-81.6531,28.5906],[-81.6475,28.5845],[-81.6518,28.5791],[-81.6526,28.5708],[-81.6568,28.5691],[-81.6571,28.5378],[-81.6575,28.3756],[-81.6578,28.3471],[-81.7911,28.3463],[-81.7907,28.3619],[-81.8579,28.3619],[-81.8578,28.3463],[-81.9581,28.345],[-81.9574,28.3753],[-81.9564,28.4139],[-81.9538,28.5862],[-81.9547,28.656],[-81.9538,28.7557],[-81.9538,28.9058],[-81.9538,28.9086],[-81.9541,28.9159],[-81.954,28.9201],[-81.9541,28.96],[-81.9504,28.9599],[-81.9379,28.9602],[-81.8552,28.9595],[-81.8427,28.9597],[-81.8421,28.961],[-81.7385,28.9608],[-81.7317,28.9611],[-81.6781,28.9604],[-81.6656,28.9606],[-81.6588,28.9604],[-81.6591,28.9682],[-81.6592,29.005],[-81.6589,29.0128],[-81.6595,29.0477],[-81.6418,29.0477],[-81.6387,29.0477],[-81.641,29.1317],[-81.6415,29.2253],[-81.6414,29.2455],[-81.6415,29.2803],[-81.6413,29.2801],[-81.6413,29.3281]]]},\"properties\":{\"name\":\"Lake\",\"state\":\"FL\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a17e4b07f02db6048c1","contributors":{"authors":[{"text":"Knochenmus, Darwin D.","contributorId":61043,"corporation":false,"usgs":true,"family":"Knochenmus","given":"Darwin","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":199171,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hughes, G.H.","contributorId":73975,"corporation":false,"usgs":true,"family":"Hughes","given":"G.H.","email":"","affiliations":[],"preferred":false,"id":199172,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":26928,"text":"wri76111 - 1976 - Sediment discharge from an area of highway construction, Applemans Run basin, Columbia County, Pennsylvania","interactions":[],"lastModifiedDate":"2015-10-21T11:18:29","indexId":"wri76111","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-111","title":"Sediment discharge from an area of highway construction, Applemans Run basin, Columbia County, Pennsylvania","docAbstract":"The effects of highway construction on stream sediment loads were studied in Applemans Run basin, Columbia County, Pa., from October 1971 to May 1974. During the investigations, about 5,200 tons of suspended-sediment were discharged from the basin. Of this amount, about 2,700 tons, or about half the total sediment discharge, as derived from the highway construction area. Annual suspended-sediment yields from 17.5 acres under construction ranged from 40,000 to 66,000 tons/sq mi in the 1972 and 1973 water years, respectively. In the 1972 and 1973 er years of active construction, 83 percent of the sediment transported from the construction site was eroded each year in storms from January to June. Seasonal trends in sediment discharge for 1972 show that 69 percent of that year 's suspended-load was transported in April, May, and June, whereas less than 1 percent was transported in July, August, and September. (Woodard-USGS)
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri76111","collaboration":"Prepared in cooperation with the Pennsylvania Department of Transportation","usgsCitation":"Eckhardt, D.A., 1976, Sediment discharge from an area of highway construction, Applemans Run basin, Columbia County, Pennsylvania: U.S. Geological Survey Water-Resources Investigations Report 76-111, iv, 25 p., https://doi.org/10.3133/wri76111.","productDescription":"iv, 25 p.","numberOfPages":"34","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":158453,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/wri76111.jpg"},{"id":310268,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0111/report.pdf","text":"Report","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Pennsylvania","otherGeospatial":"Applemans Run basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -76.42390251159668,\n 41.025078487826015\n ],\n [\n -76.42390251159668,\n 41.03890171456173\n ],\n [\n -76.40480518341064,\n 41.03890171456173\n ],\n [\n -76.40480518341064,\n 41.025078487826015\n ],\n [\n -76.42390251159668,\n 41.025078487826015\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699f61","contributors":{"authors":[{"text":"Eckhardt, David A. daeckhar@usgs.gov","contributorId":1079,"corporation":false,"usgs":true,"family":"Eckhardt","given":"David","email":"daeckhar@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":197262,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":28147,"text":"wri7619 - 1976 - Sediment discharge from highway cut-slopes in the Lake Tahoe Basin, California, 1972-74","interactions":[],"lastModifiedDate":"2018-10-25T15:15:51","indexId":"wri7619","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-19","title":"Sediment discharge from highway cut-slopes in the Lake Tahoe Basin, California, 1972-74","docAbstract":"Streamflow and fluvial-sediment discharge data were collected at selected streams and highway gutters in the Lake Tahoe basin to determine the extent of erosion from highway cuts and to attempt to evaluate the effects of various land-treatment practices to reduce erosion.
Estimate of long-term annual total-sediment discharge from six streams into the lake is 7,100 tons (6,400 tonnes), of which 2,300 tons (2,100 tonnes) is finer than 62 micrometres. During 1972-74, snowmelt runoff (April-July) accounted for 65 percent of the water and sediment discharge. Approximately 90 percent of the sediment is transported in suspension.
Sediment measured at 16 gutterflow stations at the base of highway cut-slopes indicates that less than 100 tons (91 tonnes) of fine sediment per year are contributed to the lake from all California State highway cuts. Sediment-transport rates are highly variable, and an unknown part of the measured sediment was derived from sources other than highway cuts.
Data were not adequate to demonstrate the effectiveness of treatments to stabilize cut-slopes.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri7619","usgsCitation":"Kroll, C.G., 1976, Sediment discharge from highway cut-slopes in the Lake Tahoe Basin, California, 1972-74: U.S. Geological Survey Water-Resources Investigations Report 76-19, iv, 85 p., https://doi.org/10.3133/wri7619.","productDescription":"iv, 85 p.","costCenters":[],"links":[{"id":358824,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0019/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":158629,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1976/0019/report-thumb.jpg"}],"country":"United States","otherGeospatial":"Lake Tahoe","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -120.201416015625,\n 38.8824811975508\n ],\n [\n -119.89517211914061,\n 38.8824811975508\n ],\n [\n -119.89517211914061,\n 39.28860847419942\n ],\n [\n -120.201416015625,\n 39.28860847419942\n ],\n [\n -120.201416015625,\n 38.8824811975508\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699f66","contributors":{"authors":[{"text":"Kroll, Carl G.","contributorId":72389,"corporation":false,"usgs":true,"family":"Kroll","given":"Carl","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":199296,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":26692,"text":"wri7667 - 1976 - Historic water-level changes and pumpage from the principal aquifers of the Memphis area, Tennessee: 1886-1975","interactions":[],"lastModifiedDate":"2016-01-04T14:12:36","indexId":"wri7667","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"76-67","title":"Historic water-level changes and pumpage from the principal aquifers of the Memphis area, Tennessee: 1886-1975","docAbstract":"The Memphis Sand (\"500-foot\" sand) supplies about 95 percent of the water used in the Memphis area for municipal and industrial purposes. In general, pumpage has increased at an irregular rate since the completion of the first well to this aquifer in 1886. These withdrawals are responsible for an almost continuous decline of water levels in wells throughout the Memphis area. Water-level data indicate that over the years a broad, regional cone of depression has developed in the potentiometric surface of the Memphis Sand and is centered near downtown Memphis. Areally smaller, subsidiary cones are superimposed upon this regional cone in areas heavily pumped by municipal and industrial wells. Pumpage from the Memphis Sand in Shelby County, Tenn., was 188 Mgal/d (million gallons per day) or 712 Ml/d (million litres per day) in 1975, although a maximum of 190 Mgal/d (719 Ml/d) was reached in 1974.
\nPumpage from the Fort Pillow Sand (\"1,400-foot\" sand) began in 1924 and increased at a yearly rate of about 0.6 Mgal/d (2.3 Ml/d) until 1942. From 1943 to 1962, pumpage averaged about 11.5 Mgal/d (43.5 Ml/d), then was reduced as MLGW (Memphis Light, Gas and Water Division) discontinued wells that became unserviceable. MLGW ceased pumping from the aquifer in 1974, and pumpage from the remaining industrial wells in Shelby County in 1975 was 4.4 Mgal/d (16.6 Ml/d). Water levels in the Fort Pillow Sand generally have risen since 1963. Water l evels in the aquifers in the Memphis area fluctuate inversely with changes in pumping. Analysis of observation-well and pumpage data indicates that local water levels can be altered by changing the pumping rates or by varying the areal distribution of pumping.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri7667","collaboration":"Prepared in cooperation with the City of Memphis, Memphis Light, Gas and Water Division","usgsCitation":"Criner, J.H., and Parks, W.S., 1976, Historic water-level changes and pumpage from the principal aquifers of the Memphis area, Tennessee: 1886-1975: U.S. Geological Survey Water-Resources Investigations Report 76-67, iv, 45 p., https://doi.org/10.3133/wri7667.","productDescription":"iv, 45 p.","numberOfPages":"54","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"1886-01-01","temporalEnd":"1975-01-01","costCenters":[],"links":[{"id":157812,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/wri7667.jpg"},{"id":313231,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1976/0067/report.pdf","text":"Report","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Tennessee","city":"Memphis","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -90.42984008789062,\n 34.89268966339912\n ],\n [\n -90.42984008789062,\n 35.62046556900037\n ],\n [\n -89.1046142578125,\n 35.62046556900037\n ],\n [\n -89.1046142578125,\n 34.89268966339912\n ],\n [\n -90.42984008789062,\n 34.89268966339912\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae1e4b07f02db6885c5","contributors":{"authors":[{"text":"Criner, James H.","contributorId":107258,"corporation":false,"usgs":true,"family":"Criner","given":"James","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":196841,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parks, William Scott","contributorId":52148,"corporation":false,"usgs":true,"family":"Parks","given":"William","email":"","middleInitial":"Scott","affiliations":[],"preferred":false,"id":196840,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}