United States Geological Survey YearbookThe Survey, 1987 - Geology |
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Page 14
... materials 12. Sand and gravel deposits 13. Unified soil classification of substratum 14. Soil saturated with water within 3 feet of the surface for 2 to 12 months 15. Soil saturated with water within 3 feet of the surface for less than ...
... materials 12. Sand and gravel deposits 13. Unified soil classification of substratum 14. Soil saturated with water within 3 feet of the surface for 2 to 12 months 15. Soil saturated with water within 3 feet of the surface for less than ...
Page 21
... materials , transportation , and drainage , scientists will be able to identify areas in San Mateo County subject to potential flooding or landslide problems . In a recently completed cooperative effort with the Bureau of Reclamation ...
... materials , transportation , and drainage , scientists will be able to identify areas in San Mateo County subject to potential flooding or landslide problems . In a recently completed cooperative effort with the Bureau of Reclamation ...
Page 22
... material , and ground water in the Carson River basin , Nevada - California . The powerful capabilities of GIS's offer new possibilities for integrating , analyzing , combining , and comparing earth - science data obtained from a ...
... material , and ground water in the Carson River basin , Nevada - California . The powerful capabilities of GIS's offer new possibilities for integrating , analyzing , combining , and comparing earth - science data obtained from a ...
Page 39
... materials entering the unsaturated zone along with recharging surface water . This conclusion ultimately led to a hypothesis that playa basins developed by moist air in the rocks is less dense than the. Significant Accomplishments of ...
... materials entering the unsaturated zone along with recharging surface water . This conclusion ultimately led to a hypothesis that playa basins developed by moist air in the rocks is less dense than the. Significant Accomplishments of ...
Page 40
... material from the surface into the unsaturated zone , thus enlarging the vol- ume of the basin . The organic material introduced into the unsaturated zone oxi- dized to form carbon dioxide , which reacted with water to form carbonic ...
... material from the surface into the unsaturated zone , thus enlarging the vol- ume of the basin . The organic material introduced into the unsaturated zone oxi- dized to form carbon dioxide , which reacted with water to form carbonic ...
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activities Administration agencies Alaska aquifer basin Bureau Calcasieu River cartographic CD ROM Chief City City of w coal color Commission concentrations Connecticut contamination cooperative Coordination County crater data base Department of Public deposits drilling Earth Science earthquakes energy Enewetak Environmental facilities Federal feet Figure fiscal year 1987 geographic information systems geologic map Geologist geophysical gram graphic ground water hazards hydrologic Hydrologist investigations Lake Nyos land located lower Calcasieu River major Management ment miles million mineral resources mining models National Center National Mapping Division Office organic compounds Park percent Planning processes production projects Province quadrangle Regional Reston rocks samples San Andreas fault San Joaquin River scientific scientists sedimentary sediments seismic selenium Service South Stop studies surface Survey's techniques tion topographic Transportation U.S. Geological Survey United users USGS Vernalis Volcano Water District Water Resources water-use zone