United States Geological Survey YearbookThe Survey, 1985 - Geology |
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Page 9
... boundaries , such as county lines or school districts . A GIS must be capable of storing and ma- nipulating these types of point , line , and areal data . The association of a given spatial feature with a data type depends on the scale ...
... boundaries , such as county lines or school districts . A GIS must be capable of storing and ma- nipulating these types of point , line , and areal data . The association of a given spatial feature with a data type depends on the scale ...
Page 11
... boundary . Changing a raster grid to a larger spacing , or reduction of points in a line . Edge definition ... boundaries , hydrog- raphy , transportation , and State and Federal lands that were available through the Geological Survey ...
... boundary . Changing a raster grid to a larger spacing , or reduction of points in a line . Edge definition ... boundaries , hydrog- raphy , transportation , and State and Federal lands that were available through the Geological Survey ...
Page 12
... boundaries 1 : 24,000 USGS Lines Low Digital elevation models 30 - meter grid USGS Raster High Drainage basin boundaries 1 : 24,000 USGS Lines Medium Endangered species 1 : 24,000 NRC Areas , points Low Geographic name file 1 : 24,000 ...
... boundaries 1 : 24,000 USGS Lines Low Digital elevation models 30 - meter grid USGS Raster High Drainage basin boundaries 1 : 24,000 USGS Lines Medium Endangered species 1 : 24,000 NRC Areas , points Low Geographic name file 1 : 24,000 ...
Page 14
... boundaries have been extended with a 0.5 - mile buffer zone . 454 Somers Water Co. ( 5 mile buffer ) Rockville Hazardville MDC Ellington Acres Ellington Ellsworth Estates Tolland Aquaduct Heritage Woods Broad Brook Somers West ...
... boundaries have been extended with a 0.5 - mile buffer zone . 454 Somers Water Co. ( 5 mile buffer ) Rockville Hazardville MDC Ellington Acres Ellington Ellsworth Estates Tolland Aquaduct Heritage Woods Broad Brook Somers West ...
Page 17
... boundaries between lay- ers of different velocity ( fig . 2 ) . Seismic reflection profiling has been used for half a century and owes most of its development and refine- ment to the petroleum industry , which has very suc- cessfully ...
... boundaries between lay- ers of different velocity ( fig . 2 ) . Seismic reflection profiling has been used for half a century and owes most of its development and refine- ment to the petroleum industry , which has very suc- cessfully ...
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activities Administration Alaska aquifer system areas assessment Atlantic Coastal Plain Basin boundary Bureau California cartographic Central chemical chemical elements Chief City City of w Colorado Commission contain cooperative Coordination County cover mapping crust dams data base Denver Department of Public deposits Division earth science earthquake Energy Environmental feet fiscal year 1985 Flood Franciscan assemblage geologic mapping Geologist geophysical ground water ground-water hazards hydrologic image maps Information Systems investigations irrigation Lake land cover Landsat landslide major manganese mapping projects miles Mineral Resources mitigation National Center National Mapping North ocean Office oil and gas photographs Planning potential quadrangle Raton Basin remote sensing River rocks San Joaquin Valley sand blows sediment sedimentary seismic selenium Service slope soil sources Stop studies surface tion topographic Transportation U.S. Geological Survey United USGS Valley volcano Water Conservation District Water District water quality Water Resources water-quality Wildlife zone