United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Page 4
... basins . " This " topography " is displayed as if it were being illuminated from the east . This technique enhances the visual display of the magnetic grain and gradients ( slopes ) in the magnetic field . Some of the more prominent ...
... basins . " This " topography " is displayed as if it were being illuminated from the east . This technique enhances the visual display of the magnetic grain and gradients ( slopes ) in the magnetic field . Some of the more prominent ...
Page 5
... basin like the present - day Atlantic Ocean . For rea- sons not yet fully understood , the rifting stopped before complete continental sepa- ration occurred , and as a result , the proc- ess of continental separation was " frozen into ...
... basin like the present - day Atlantic Ocean . For rea- sons not yet fully understood , the rifting stopped before complete continental sepa- ration occurred , and as a result , the proc- ess of continental separation was " frozen into ...
Page 11
... basins coincide in many areas have all played an important role in the develop- ment of the State's ground - water protec- tion programs ( fig . 3 ) . The ground - water strategy developed from the Water Quality Standards encom- passes ...
... basins coincide in many areas have all played an important role in the develop- ment of the State's ground - water protec- tion programs ( fig . 3 ) . The ground - water strategy developed from the Water Quality Standards encom- passes ...
Page 12
... basin in the State . A cooperative program for these studies was initiated in 1961 and completed in 1975. In each basin , hydrolo- gists defined streamflow and water - quality characteristics ; mapped the extent , lithol- ogy , and ...
... basin in the State . A cooperative program for these studies was initiated in 1961 and completed in 1975. In each basin , hydrolo- gists defined streamflow and water - quality characteristics ; mapped the extent , lithol- ogy , and ...
Page 15
... basin stud- ies , and the " 208 " cooperative programs influenced the Department of Environmen- tal Protection to extend standards and clas- sifications to ground water . The drainage- area maps provided a suitable physical framework ...
... basin stud- ies , and the " 208 " cooperative programs influenced the Department of Environmen- tal Protection to extend standards and clas- sifications to ground water . The drainage- area maps provided a suitable physical framework ...
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activities Administration Alaska analysis aquifer areas Award basin Board Bureau Calcasieu River cartographic cartographic data Chief Hydrologist City City of w climate coal coastal Commission concentrations contamination cooperative Coordination County data base Denver Denver Federal Center Department of Public deposits Earth Science earthquake energy environment Environmental fiscal flow geographic information systems Geologic Division geologic map Geologist geophysical global change gram graphic ground water ground-water hazards hydrologic Hydrologist investigations Irrigation Lake Lake Nyos land located Management ment miles mineral resources National Center National Mapping Division natural Office organic Park percent Planning processes radon Regional Reston River rocks samples San Joaquin River scientific scientists sediment seismic selenium Service soils Stop streamflow studies surface tion Transportation U.S. Geological Survey United users USGS Valley Volcano Water Conservation District Water District water quality Water Resources water-quality wetlands zone