United States Geological Survey YearbookThe Survey, 1993 - Forest reserves |
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Page 28
... plumes behave over time , how to detect ash plumes quickly in remote airspace , and how to communicate infor- mation in real time to aircraft in the air or about to depart along affected routes . During FY 1993 , the USGS cosponsored or ...
... plumes behave over time , how to detect ash plumes quickly in remote airspace , and how to communicate infor- mation in real time to aircraft in the air or about to depart along affected routes . During FY 1993 , the USGS cosponsored or ...
Page 50
... plumes in ground water . The Bemidji study is significant because it is one of the very few field sites where natural degradation has been docu- mented . A full understanding of the ... plume shows five zones. 50 At Work Across the Nation ...
... plumes in ground water . The Bemidji study is significant because it is one of the very few field sites where natural degradation has been docu- mented . A full understanding of the ... plume shows five zones. 50 At Work Across the Nation ...
Page 51
... plume of contaminated ground water containing dissolved constitu- ents from the crude oil , such as ben- zene and alkylbenzenes , and products from biochemical reactions , such as organic acids , has developed downgra- dient from the ...
... plume of contaminated ground water containing dissolved constitu- ents from the crude oil , such as ben- zene and alkylbenzenes , and products from biochemical reactions , such as organic acids , has developed downgra- dient from the ...
Page 23
... plume rising above the limb of Jupiter from the impact of fragment G , the largest fragment of Comet Shoemaker - Levy 9. The impact occurred on July 18 , 1994 , at 7:28 UT ; minutes later , the first hint of the fireball of superheated ...
... plume rising above the limb of Jupiter from the impact of fragment G , the largest fragment of Comet Shoemaker - Levy 9. The impact occurred on July 18 , 1994 , at 7:28 UT ; minutes later , the first hint of the fireball of superheated ...
Page 25
... plume produced by a 1 - kilometer body having the density of ice . Time was reserved on telescopes world- wide so that the impacts could be observed at different longitudes depending on impact times . Jupiter was observed ahead of time ...
... plume produced by a 1 - kilometer body having the density of ice . Time was reserved on telescopes world- wide so that the impacts could be observed at different longitudes depending on impact times . Jupiter was observed ahead of time ...
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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