United States Geological Survey YearbookThe Survey, 1990 - Geology |
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Results 1-5 of 26
Page 4
... distributed in OHN C. TINSLEY SLEY III. discussed before the event , but , in the days immediately prior to October 17 , there were no foreshocks . Just as the occurrence of this earthquake was anticipated , so were its principal effects ...
... distributed in OHN C. TINSLEY SLEY III. discussed before the event , but , in the days immediately prior to October 17 , there were no foreshocks . Just as the occurrence of this earthquake was anticipated , so were its principal effects ...
Page 5
... distributed across a broad zone of complex cracks and fractures . Indi- vidual cracks within this zone of unusual fractures generally follow , and may have con- trolled , the formation of the existing topogra- phy . These surface ...
... distributed across a broad zone of complex cracks and fractures . Indi- vidual cracks within this zone of unusual fractures generally follow , and may have con- trolled , the formation of the existing topogra- phy . These surface ...
Page 18
... distribution of ash in the atmosphere . This information was combined with coastline and elevation infor- mation to help scientists monitor the activities of the volcano ( see " Redoubt Volcano , Alaska , " p . 12 ) . Both the Exxon ...
... distribution of ash in the atmosphere . This information was combined with coastline and elevation infor- mation to help scientists monitor the activities of the volcano ( see " Redoubt Volcano , Alaska , " p . 12 ) . Both the Exxon ...
Page 21
... distributed field staff trained to collect and interpret chemical and biologi- cal data ( see map , p . 22 ) , • In - depth experience in surface - water , ground - water , and linked surface- and ground - water studies , • Experience ...
... distributed field staff trained to collect and interpret chemical and biologi- cal data ( see map , p . 22 ) , • In - depth experience in surface - water , ground - water , and linked surface- and ground - water studies , • Experience ...
Page 22
... distribution of waters contaminated by fecal material , help determine the occur- rence and distribution of potentially toxic substances , and define the relations between the physical and the chemical characteristics of streams and the ...
... distribution of waters contaminated by fecal material , help determine the occur- rence and distribution of potentially toxic substances , and define the relations between the physical and the chemical characteristics of streams and the ...
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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