United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Results 6-10 of 100
Page 14
... MAPS 1. Topography 2. General slope map 3. Slope greater than 15 % LAND USE 4. Slope less than 3 % and soil seldom saturated 5. Bedrock type 6. Structural characteristics of bedrock 7. Outcrops 8. Depth to bedrock : 0-2 feet 9. Depth to ...
... MAPS 1. Topography 2. General slope map 3. Slope greater than 15 % LAND USE 4. Slope less than 3 % and soil seldom saturated 5. Bedrock type 6. Structural characteristics of bedrock 7. Outcrops 8. Depth to bedrock : 0-2 feet 9. Depth to ...
Page 22
Geological Survey (U.S.). Figure 4. Bedrock geologic map of test area in western Maine near Kingfield . Map was digi- tized from the Maine Geologi- cal Survey's 1985 Bedrock Geo- logic Map of Maine . 70 ° 15 ' Scale 1 : 250.000 ...
Geological Survey (U.S.). Figure 4. Bedrock geologic map of test area in western Maine near Kingfield . Map was digi- tized from the Maine Geologi- cal Survey's 1985 Bedrock Geo- logic Map of Maine . 70 ° 15 ' Scale 1 : 250.000 ...
Page 34
... map and serve a variety of purposes , from interim maps to field refer- ences for forest firefighters . Since 1985 , the Survey has been developing a new method for producing orthophotographs using completely digital techniques . A ...
... map and serve a variety of purposes , from interim maps to field refer- ences for forest firefighters . Since 1985 , the Survey has been developing a new method for producing orthophotographs using completely digital techniques . A ...
Page 36
... map showing the results of modeling geological , geochem- ical , geophysical , and mineral- resource data within a ... Mapping Divisions . The investiga- tion required the definition and develop- ment of sophisticated data processing ...
... map showing the results of modeling geological , geochem- ical , geophysical , and mineral- resource data within a ... Mapping Divisions . The investiga- tion required the definition and develop- ment of sophisticated data processing ...
Page 37
... maps with computers lies in having a set of informa- tion in the computer that represents , in a digital form , the information to be shown Attribute Map exterior ID # 1 2 Park 3 Null 4 Null 5 Null 6 Lake 7 Null Node Area ID # # 1 2 3 4 ...
... maps with computers lies in having a set of informa- tion in the computer that represents , in a digital form , the information to be shown Attribute Map exterior ID # 1 2 Park 3 Null 4 Null 5 Null 6 Lake 7 Null Node Area ID # # 1 2 3 4 ...
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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