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These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
Flightline Photo Indexes of Antarctica Topographic Reconnaissance with Shaded Relief 1:250,000 Scale - Basic Contour Interval, 200 Meters Flight line information is approximate up to 200 meters.
Categories: Map;
Tags: Antarctica,
U.S. Antarctic Resource Center,
aerial photography,
flight line index
These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file. The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats: Full Map ...
In order to allow for a comparison across years we visually digitized landcover of Poplar Island from a single image per year at a 1:1000 spatial extent with a minimum mapping unit of 300 square meters (no minimum dimensions aside from area). Images used to assign landcover were provided by the U.S. Army Corps of Engineers and were captured between July and October of their respective years. All images were 1 foot resolution.
Categories: Map;
Tags: Chesapeake Bay,
Chesapeake Bay,
Digitizing,
Ecology,
Geographic Information Systems,
This raster depicts the percentage of lithological the hydraulic conductivity (in micrometers per second) of surface or near surface geology. We derived these rasters by calculating the average conductivity for each map unit in combined surficial-bedrock geologic maps. We used state geologic maps (Preliminary Integrated Geologic Map Databases for the United States, Open File Reports 2004-1355, 2005-1305, 2005-1323, 2005-1324, 2005-1325, 2005-1351, and 2006-1272), which depict surficial geology instead of bedrock when the surficial layers are sufficiently deep. For the state maps that do not incorporate surficial geology (i.e., midwestern states), we overlaid surficial geologic map units with thicknesses greater...
Categories: Data,
Map;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Citation,
Downloadable,
Map Service;
Tags: Bedrock,
Conterminous U.S.,
Geology,
Geophysical,
hydraulic conductivity
This map shows the location of herd management areas (HMAs).
Categories: Data,
Map;
Types: ArcGIS REST Map Service,
Map Service;
Tags: Colorado Plateau,
horse management areas
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