United States Geological Survey YearbookThe Survey, 1990 - Geology |
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... control nature . By understanding better the mecha- nisms of these hazards , we can mitigate the severity of their impacts . The theme of preparedness is the emphasis of the International Decade for Natural Disaster Reduction ( IDNDR ) ...
... control nature . By understanding better the mecha- nisms of these hazards , we can mitigate the severity of their impacts . The theme of preparedness is the emphasis of the International Decade for Natural Disaster Reduction ( IDNDR ) ...
Page 4
... control the fire were hampered by broken water mains . The gas and water main breaks were a result of ground failures . Similar problems also had occurred in artificial fills in the 1906 earthquake . The collapsed portion of the Cypress ...
... control the fire were hampered by broken water mains . The gas and water main breaks were a result of ground failures . Similar problems also had occurred in artificial fills in the 1906 earthquake . The collapsed portion of the Cypress ...
Page 8
... control . Cutting his way with a chain saw to a passable road , he arrived via four - wheel - drive vehicle at the center for emergency relief operations . At the center , Green was asked by personnel of the U.S. Army Corps of Engineers ...
... control . Cutting his way with a chain saw to a passable road , he arrived via four - wheel - drive vehicle at the center for emergency relief operations . At the center , Green was asked by personnel of the U.S. Army Corps of Engineers ...
Page 25
... control , ranged from 1.7 to 7.0 micrograms per liter during the study period . Inorganic Constituents and Pesticides - Central Oklahoma Aquifer The Central Oklahoma aquifer has ele- vated levels of trace elements and natural ...
... control , ranged from 1.7 to 7.0 micrograms per liter during the study period . Inorganic Constituents and Pesticides - Central Oklahoma Aquifer The Central Oklahoma aquifer has ele- vated levels of trace elements and natural ...
Page 26
... control and 2,4 - D and prometone for weed control . Inorganic Constituents in Ground Water - Carson Basin , Nevada Several naturally occurring inorganic constituents exist in ground water throughout the Carson basin . These ...
... control and 2,4 - D and prometone for weed control . Inorganic Constituents in Ground Water - Carson Basin , Nevada Several naturally occurring inorganic constituents exist in ground water throughout the Carson basin . These ...
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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