United States Geological Survey YearbookU.S. Geological Survey, 1984 - Geology |
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Page 1
... hazards has become an increasingly significant part of our overall program . Since the explosive eruption of Mount St. Helens in 1980 , we have increased greatly our monitoring efforts for other volcanoes of the Cascade Range . In 1984 ...
... hazards has become an increasingly significant part of our overall program . Since the explosive eruption of Mount St. Helens in 1980 , we have increased greatly our monitoring efforts for other volcanoes of the Cascade Range . In 1984 ...
Page 2
Geological Survey (U.S.). movement and fate of hazardous sub- stances in hydrologic systems . The effects of high selenium levels associ- ated with irrigation return waters in the southwestern San Joaquin Valley of California became an ...
Geological Survey (U.S.). movement and fate of hazardous sub- stances in hydrologic systems . The effects of high selenium levels associ- ated with irrigation return waters in the southwestern San Joaquin Valley of California became an ...
Page 33
... - and mineral - resource potential , and potential geologic hazards . • " Operation Deep Sweep " took the Research Vessel Samuel P. Lee from pole to pole across the Pacific Research Vessel Samuel P. Lee escaping from ice channel at 33.
... - and mineral - resource potential , and potential geologic hazards . • " Operation Deep Sweep " took the Research Vessel Samuel P. Lee from pole to pole across the Pacific Research Vessel Samuel P. Lee escaping from ice channel at 33.
Page 34
... HAZARDS STUDIES • The northern Rocky Mountains were strongly shaken on October 28 , 1983 , by a magnitude 7.3 earth- quake located near Borah Peak , Idaho - the largest magnitude event in the conterminous United States since 1959. The ...
... HAZARDS STUDIES • The northern Rocky Mountains were strongly shaken on October 28 , 1983 , by a magnitude 7.3 earth- quake located near Borah Peak , Idaho - the largest magnitude event in the conterminous United States since 1959. The ...
Page 39
... hazard studies . • Continued detailed geologic mapping in California is redefining the origin of the San Andreas and other faults and the amount and rate of displacement on them . This mapping bears heavily on regional multidisciplinary ...
... hazard studies . • Continued detailed geologic mapping in California is redefining the origin of the San Andreas and other faults and the amount and rate of displacement on them . This mapping bears heavily on regional multidisciplinary ...
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activities Administration Alaska aquifer areas basins Bureau California cartographic Chief City City of w coal Commission concentrations contaminants cooperation Coordination County data base Denver digital cartographic data distribution earth science earthquake energy Environmental eruption evaluation Federal agencies feet fiscal year 1986 flow geographic information systems geologic mapping Geologist geophysical Gorda Ridge graphic ground water ground-water hazards hydrologic image map increased investigations irrigation land Landsat located major Management Menlo Park ment miles National Center National Mapping Division Office Parkfield Parkfield earthquake percent Planning potential precipitation processes production Puerto Rico quadrangle radon Regional remote sensing Reston River rocks samples scientific sediment seismic selenium Service soil sources square miles streamflow studies sulfide surface Survey's techniques terranes tion topographic Transportation U.S. Geological Survey United USGS Valley volcano waste Water District water quality Water Resources Division water-quality zone