United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Page 4
... valleys " and " 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 ...
... valleys " and " 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 ...
Page 9
... Valley in northwestern Connecticut . ( Photograph by Leslie Mehrhoff , Connecticut Department of En- vironmental Protection . ) Figure 2B . The Connecticut Val- ley Lowland contains some of the best agricultural land in New England ...
... Valley in northwestern Connecticut . ( Photograph by Leslie Mehrhoff , Connecticut Department of En- vironmental Protection . ) Figure 2B . The Connecticut Val- ley Lowland contains some of the best agricultural land in New England ...
Page 13
... Valley Urban Area Project ( CVUAP ) . The goal , similar to that of the Connecticut Geology - Soils Task Force , was to provide " earth - resource information in a form that is readily understandable and readily avail- able to planners ...
... Valley Urban Area Project ( CVUAP ) . The goal , similar to that of the Connecticut Geology - Soils Task Force , was to provide " earth - resource information in a form that is readily understandable and readily avail- able to planners ...
Page 25
... Valley lead - zinc district , the Illinois - Kentucky fluorspar district , the Southeast Missouri lead - zinc district , and the Tri - State ( Missouri - Kansas - Oklahoma ) lead - zinc district . All these districts are hosted by flat ...
... Valley lead - zinc district , the Illinois - Kentucky fluorspar district , the Southeast Missouri lead - zinc district , and the Tri - State ( Missouri - Kansas - Oklahoma ) lead - zinc district . All these districts are hosted by flat ...
Page 71
... valleys filled with thick , soft deposits of clays and silts may experi- ence severe levels of ground shaking in moderate ... Valley , Oregon , region . Although the rate of damaging earthquakes in the Pacific Northwest appears to be low ...
... valleys filled with thick , soft deposits of clays and silts may experi- ence severe levels of ground shaking in moderate ... Valley , Oregon , region . Although the rate of damaging earthquakes in the Pacific Northwest appears to be low ...
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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