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Page 6210, results 155226 - 155250

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Geologic map of the Phosphate Reserve in the Lander area, Fremont County, Wyoming
Willis L. Rohrer
1973, Miscellaneous Field Studies Map 305
The area was mapped as part of the U.S. Geological Survey program of classifying and evaluating lands in the public domain. Resources of economic interest in the map area include oil, gas, water, phosphate rock, gypsum, and analcime. The area mapped includes the rocks between the Tensleep Sandstone and the...
Preliminary investigation of land subsidence in the Sacramento Valley, California
B. E. Lofgren, R. L. Ireland
1973, Open-File Report 74-1064
Although a number of agencies have made leveling surveys in Sacramento Valley and a valleywide network of first- and second-order control exists, few areas have sufficient control for determining whether land subsidence has occurred and if so, how much, within the time span of vertical control. Available data suggest that...
Water resources data for Texas, water year 1972; Part 2. Water quality records
Water Resources Division, U.S. Geological Survey
1973, Water Data Report TX-72-2
Water resources data for the 1972 water year for Texas include records of data for the chemical and physical characteristics of surface water. The records were collected by the Water Resources Division of the U.S. Geological Survey under the direction of I.D. Yost, district chief. These data represent that portion...
Water resources data for West Virginia, water year 1972
Water Resources Division, U.S. Geological Survey
1973, Water Data Report WV-72-1
Water resources data for the 1972 water year for West Virginia including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, and records of water-quality data on the chemical and physical characteristics of surface water, are given in this report. In Part 1, records are...
Water-budget studies of lower Mesilla Valley and El Paso Valley, El Paso County, Texas
W.R. Meyer, J.D. Gordon
1973, Open-File Report 73-185
The total inflow of water to the lower Mesilla Valley in 1970 was 390,510 acre-feet. Of this amount, 43,300 acre-feet was consumptively used by crops and phreatophytes and 4,700 acre-feet was lost by evaporation. Ground-water storage increased by 320 acre-feet, and 360,860 acrefeet left the valley as surface- and ground-water...
Sediment transport by streams in the Upper Columbia River Basin, Washington, May 1969-June 1971
Leonard M. Nelson
1973, Water-Resources Investigations Report 73-39
This report presents the results of a reconnaissance evaluation of the fluvial-sediment transport by streams in the 28,000-square-mile upper Columbia River basin in eastern Washington. The basin ranges in altitude from about 340 to 9,000 feet, and receives annual precipitation ranging from more than 150 inches in the mountains to less...
Puerto Rico water resources planning model program description
D.W. Moody, Thomas Maddock, M.R. Karlinger, J.J. Lloyd
1973, Open-File Report 73-193
Because the use of the Mathematical Programming System -Extended (MPSX) to solve large linear and mixed integer programs requires the preparation of many input data cards, a matrix generator program to produce the MPSX input data from a much more limited set of data may expedite the use of the...
An evaluation of water-quality data obtained at four streamflow daily-record stations in Idaho
Kenneth L. Dyer
1973, Water-Resources Investigations Report 73-30
Chemical data for four stream-gaging stations in Idaho, each having 6 to 22 years of available records, were analyzed to determine functional relations between concentrations of the major inorganic constituents, specific conductance, and stream discharge. Three of the four stations had sufficient available record for assessing changes in constituent relations...