United States Geological Survey YearbookU.S. Geological Survey, 1983 - Geology |
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Page 1
... areas and issues of special interest and importance . The 1983 National Water Summary has identified ground - water contamination and acid rain as two prominent water resource issues . The Geological Survey has recently increased its ...
... areas and issues of special interest and importance . The 1983 National Water Summary has identified ground - water contamination and acid rain as two prominent water resource issues . The Geological Survey has recently increased its ...
Page 2
... areas . The summary of these mineral surveys , which was released in December 1983 , indicates that there is evidence of mineralization in about 65 percent of the areas examined . The percentage of in- dividual wilderness areas having ...
... areas . The summary of these mineral surveys , which was released in December 1983 , indicates that there is evidence of mineralization in about 65 percent of the areas examined . The percentage of in- dividual wilderness areas having ...
Page 4
... areas that act as natural reservoirs and temporary channels for floodwaters . If more flow is generated than the stream banks can accommodate , the water will overtop the banks and spread over the flood plain causing social and economic ...
... areas that act as natural reservoirs and temporary channels for floodwaters . If more flow is generated than the stream banks can accommodate , the water will overtop the banks and spread over the flood plain causing social and economic ...
Page 5
... area approx- imately 250 miles wide and 1,000 miles long through the central and southern part of the United States extending from the Great Lakes to the Gulf of Mexico . This area was roughly centered over the central and southern part ...
... area approx- imately 250 miles wide and 1,000 miles long through the central and southern part of the United States extending from the Great Lakes to the Gulf of Mexico . This area was roughly centered over the central and southern part ...
Page 6
... ex- ceeded 100 years . Most notable was the Pearl River where the maximum flood of record since 1874 caused extensive flood- ing in the Slidell and Pearl River , Louisiana , area for the third time in 5 years . The. 6.
... ex- ceeded 100 years . Most notable was the Pearl River where the maximum flood of record since 1874 caused extensive flood- ing in the Slidell and Pearl River , Louisiana , area for the third time in 5 years . The. 6.
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activities Alaska analysis Antarctica areas Assistant Board of County California cartographic City City of w coal resources Coalinga Colorado Commission contamination conterminous United cooperation Coordination cubic feet data base debris flows Denver Department of Public digital cartographic data discharge earth science earthquake Energy Environmental Federal agencies Federal Bldg feet per second fiscal year 1983 Florida Floridan aquifer Geologic Division Geologist gram ground water ground-water hazards hydrologic image maps Information Systems investigations Island Kilauea Landsat landslides mainframe computers major marine Menlo Park ment mineral resource assessment Mississippi National Center National High-Altitude Photography National Mapping Division Office Operations Pacific percent petroleum potential Puerto Rico quadrangle radioactive waste rainfall Regional Reston rocks scientific scientists Searles Lake seismic Service South stations STOP streamflow studies surface Survey's tion topographic U.S. Geological Survey Utah Valley Volcano waste Water Conservation District Water District Water Resources Division Western Wilderness Lands zone