United States Geological Survey YearbookThe Survey, 1993 - Forest reserves |
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... aquifers . This year also saw the release of early findings from the National Synthesis component of the NAWQA Program . In response to questions raised during reauthorization hearings for the Clean Water Act , the NAWQA Program ...
... aquifers . This year also saw the release of early findings from the National Synthesis component of the NAWQA Program . In response to questions raised during reauthorization hearings for the Clean Water Act , the NAWQA Program ...
Page 46
... aquifer characteristics for more than 1 million sites . Data transferred from existing data- base systems of the USGS , which include 3.4 million water - quality analyses , 780,000 station - years of streamflow data , and well and aquifer ...
... aquifer characteristics for more than 1 million sites . Data transferred from existing data- base systems of the USGS , which include 3.4 million water - quality analyses , 780,000 station - years of streamflow data , and well and aquifer ...
Page 48
... aquifer systems throughout the Nation . Assessments began in 20 study units in 1991 ( 20 study units are being added ... aquifers . The reason for this concern is the recognition that the Nation has made a considerable investment to con ...
... aquifer systems throughout the Nation . Assessments began in 20 study units in 1991 ( 20 study units are being added ... aquifers . The reason for this concern is the recognition that the Nation has made a considerable investment to con ...
Page 50
... aquifer . Because the spill was located in a remote area where ground water is not used extensively , the remain- ing oil was left in place . All changes observed over time in the distribution of crude - oil components can be attributed ...
... aquifer . Because the spill was located in a remote area where ground water is not used extensively , the remain- ing oil was left in place . All changes observed over time in the distribution of crude - oil components can be attributed ...
Page 51
... aquifers to determine aquifer properties in different terranes . The development of relational data bases and use of geographic information system ( GIS ) technology , as well as the analyses of water quality and the quality control of ...
... aquifers to determine aquifer properties in different terranes . The development of relational data bases and use of geographic information system ( GIS ) technology , as well as the analyses of water quality and the quality control of ...
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activities Administration aquifer areas assessment atmosphere atrazine Award Bureau California cartographic City City of w coal Colorado Commission contaminants cooperation in earth Coordination data base debris flows Denver Denver Federal Center Division earth sciences earthquake employees energy environment Federal agencies flood floodplain geographic information systems Geological Survey USGS global change ground water ground-water hazards High Plains hydrologic information systems Interior Internet Irrigation KILOMETERS Lake land locations Management District ment Mineral Resources Mississippi River models monitoring Municipal National Center Northridge earthquake Office Park pesticides Planning processes Regional Reston River Basin Scientific and technical sediment seismic Service Soil South Platte River spatial data studies technical cooperation Telephone 703 tion Transportation U.S. Forest Service U.S. Geological Survey United University users USGS USGS scientists Valley volcanoes Water Conservation District Water District water quality Water Resources water-quality