United States Geological Survey YearbookThe Survey, 1990 - Geology |
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... environment are longer term and are thus also a challenge to the earth scientist . The cumulative impact of human activities on our water resources can result in changes to the quality of those resources . Nature itself can affect water ...
... environment are longer term and are thus also a challenge to the earth scientist . The cumulative impact of human activities on our water resources can result in changes to the quality of those resources . Nature itself can affect water ...
Page 12
... environments . The infrequent and unpredictable nature of hurricanes pose spe- cial problems for the coastal geologist . A criti- cal component in coastal studies will continue to be the availability of reliable prestorm data that ...
... environments . The infrequent and unpredictable nature of hurricanes pose spe- cial problems for the coastal geologist . A criti- cal component in coastal studies will continue to be the availability of reliable prestorm data that ...
Page 18
... environmental events in Alaska : the Exxon Valdez oil spill and the eruption of Mount Redoubt volcano . The Exxon Valdez oil spill , a manmade environmental disaster , occurred March 24 , 1989 , in Prince William Sound and is the ...
... environmental events in Alaska : the Exxon Valdez oil spill and the eruption of Mount Redoubt volcano . The Exxon Valdez oil spill , a manmade environmental disaster , occurred March 24 , 1989 , in Prince William Sound and is the ...
Page 20
... environmental processes and con- ditions , these approaches do not provide the depth and breadth of information necessary to address important technical and policy questions at a national scale . Research is exhaustively detailed ...
... environmental processes and con- ditions , these approaches do not provide the depth and breadth of information necessary to address important technical and policy questions at a national scale . Research is exhaustively detailed ...
Page 21
... environments that represent specific regions of the country . For example , most questions relevant to national policy on the occurrence of pesticides can be answered by studying a few types of crops , each treated . with a typical ...
... environments that represent specific regions of the country . For example , most questions relevant to national policy on the occurrence of pesticides can be answered by studying a few types of crops , each treated . with a typical ...
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activities Administration Alaska aquifer assessment Assistant atrazine Award Bldg Board Bureau cartographic data CD-ROM City City of w coal Commission cooperative Coordination County data bases Denver Denver Federal Center Department of Public deposits distribution District w drought earth science earthquake energy environment Environmental eruption field fiscal year 1991 Flood geographic geologic map geologists geophysical GIS technology Government ground water ground-water hazards Hurricane Hugo hydrologic IDNDR Information Systems Interior investigations Island Kansas River Lake land located Loma Prieta earthquake mainframe Management Menlo Park ment mineral resources Mount Pinatubo National Center National Mapping NAWQA Office percent personnel pesticides Planning processes Puerto Rico Regional Reston rock samples scientific sediment seismic Service soil spatial data studies surface tion Transportation U.S. Department U.S. Geological Survey United users USGS USGS employees volcano Water Conservation District Water District water quality Water Resources water-quality