United States Geological Survey YearbookThe Survey, 1990 - Geology |
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... scientist . The cumulative impact of human activities on our water resources can result in changes to the quality of those ... scientists we have the opportunity to be the first line of defense in meeting present and future environmental ...
... scientist . The cumulative impact of human activities on our water resources can result in changes to the quality of those ... scientists we have the opportunity to be the first line of defense in meeting present and future environmental ...
Page 3
... Scientists term these quiet segments " seismic gaps " and have forecast the time when some of these seismic gaps in the record will be filled by large earthquakes . The 7.1 Loma Prieta main- shock filled a gap in the seismicity record ...
... Scientists term these quiet segments " seismic gaps " and have forecast the time when some of these seismic gaps in the record will be filled by large earthquakes . The 7.1 Loma Prieta main- shock filled a gap in the seismicity record ...
Page 4
... scientists tend to communicate with a rather small group of fellow specialists , Ward , through this special publication , communicated useful scientific information to millions of people . Of the total 3.1 million copies of the booklet ...
... scientists tend to communicate with a rather small group of fellow specialists , Ward , through this special publication , communicated useful scientific information to millions of people . Of the total 3.1 million copies of the booklet ...
Page 12
... scientists from the USGS , the Geo- physical Institute of the University of Alaska , and the Alaska Division of Geological and Geophysical Surveys . The AVO was estab- lished in 1988 to study and monitor Alaskan volcanoes and to provide ...
... scientists from the USGS , the Geo- physical Institute of the University of Alaska , and the Alaska Division of Geological and Geophysical Surveys . The AVO was estab- lished in 1988 to study and monitor Alaskan volcanoes and to provide ...
Page 15
... scientists have substantially increased monitoring capabilities by enhancing the seis- mic network and the lightning detection sys- tem , by increasing knowledge of the eruptions and products of Redoubt volcano , and by deploying a ...
... scientists have substantially increased monitoring capabilities by enhancing the seis- mic network and the lightning detection sys- tem , by increasing knowledge of the eruptions and products of Redoubt volcano , and by deploying a ...
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activities Administration Alaska Arctic areas Assistant atrazine Award Baikal Bldg Board Bureau cartographic data Chief Hydrologist City City of w coal coastal Commission contamination cooperative Coordination County Denver Federal Center Department of Public Development disaster Division Chief drought earth science earthquake Environmental eruption Federal agencies field geologic map geologists geophysical ground water ground-water Hurricane Hugo hydrologic IDNDR Information Systems Interior investigations Island Lake Lake Baikal land lava located Loma Prieta earthquake Loudoun County Management Menlo Park ment miles mineral deposits mineral resources National Center National Mapping National Water NAWQA Office percent Planning production Puerto Rico Redoubt volcano Regional Reston River basin rock scale scientific scientists seismic Service spatial data storage storm studies surface tion Transportation U.S. Department U.S. Geological Survey U.S. Virgin Islands United users USGS Water Conservation District Water District water quality Water Resources Water-Quality Assessment