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Page 6111, results 152751 - 152775

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Geological Survey research, 1975
Water Resources Division, U.S. Geological Survey
1975, Professional Paper 975
'Geological Survey Research 1975 ' is the 16th annual synopsis of the results of U.S. Geological Survey investigations. These studies are largely directed toward the development of knowledge that will assist the Nation to use and conserve the land and its physical resources wisely. They are wide ranging in scope...
Water availability, Jefferson County, Alabama
Alfred L. Knight
1975, Open-File Report 75-461
The average annual precipitation in Jefferson County is about 53 inches (1,346.2 millimeters) or about 2,820 mgd (million gallons per day), which is equivalent to 124 m3/s (cubic meters per second). Part of the rainfall (about 1,130 mgd or 50 m3/s) runs off directly into streams, and the remaining 1,690...
Audio-magnetotelluric methods in reconnaissance geothermal exploration
Donald B. Hoover, Carl L. Long
1975, Open-File Report 75-362
About three years ago, at the initiation of a major effort by the U.S. Geological Survey into studies of geothermal systems, a decision was made to evaluate the audio-magnetotelluric, AMT, technique for this application. At that time we had had no real experience with the method nor any equipment. Some...
A geologic analysis of the Side-Looking Airborne Radar imagery of southern New England
Paul T. Banks
1975, Open-File Report 75-207
Analysis of the side looking airborn radar imagery of Massachusetts, Connecticut and Rhode Island indicates that radar shows the topography in great detail. Since bedrock geologic features are frequently expressed in the topography the radar lends itself to geologic interpretation. The radar was studied by comparisons with field mapped geologic...
Status and plans of the Department of the Interior EROS program
Water Resources Division, U.S. Geological Survey
1975, Open-File Report 75-376
The Earth Resources Observation Systems (EROS) Program of the Department of the Interior has been actively participating in the LANDSAT (formerly ERTS) program and other investigations with remotely sensed data. A large number of applications have been demonstrated that can assist in the discovery of nonrenewable resources, monitoring areal extent of renewable resources, monitoring environmental change,...
Water resources of the Cedar River watershed, southeastern Minnesota
D.F. Farrell, W.L. Broussard, H. W. Anderson Jr., M. F. Hult
1975, Hydrologic Atlas 552
The Cedar River Watershed Unit (as established by the states of Minnesota) consists of 1,204 square miles (3,118 square kilometres) of flat or gently undulating plain. The watershed is drained by the Cedar River and several smaller streams that flow south into Iowa and eventually into the Mississippi River. Its easternmost neck...