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The grayscale Puerto Rico and U.S. Virgin Islands shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Puerto Rico and U.S. Virgin Islands at a resolution of 200 meters. The NED is a raster product assembled by the U.S. Geological Survey, designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections made in the NED assembly process minimize artifacts, permit edge matching, and fill sliver areas of missing data.
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The Topographic and Bathymetric Shaded Relief of North America map layer shows depth and elevation ranges using colors, with relief enhanced by shading. The image was derived from two pre-existing map layers; the Bathymetric Shaded Relief of North America, derived from ETOPO2 data, and the Color North America Shaded Relief, derived from GTOPO30 data.
Categories: Web Site; Tags: Alabama, Alaska, Arizona, Arkansas, Atlantic, All tags...
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This image contains a representation of the topographic relief in the area of the Green River Basin area. This area is a part of the National Coal Resource Assessment of the Northern Rocky Mountain and Great Plains Fort Union Coal Resources Assessment Area. This area can be shown in relation to other relevant themes of this area.
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LiDAR data is remotely sensed high-resolution elevation data collected by an airborne collection platform. Using a combination of laser rangefinding, GPS positioning and inertial measurement technologies; LiDAR instruments are able to make highly detailed Digital Elevation Models (DEMs) of the earth's terrain, man-made structures and vegetation.
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LiDAR data is remotely sensed high-resolution elevation data collected by an airborne collection platform. Using a combination of laser rangefinding, GPS positioning and inertial measurement technologies; LiDAR instruments are able to make highly detailed Digital Elevation Models (DEMs) of the earth's terrain, man-made structures and vegetation.
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The data contained in this file is one of several datasets produced in support of the project entitled “Classification and Mapping of Cave and Karst Resources” for the region encompassing the Appalachian Landscape Conservation Cooperative (LCC). The results of this project are divided into a series of geospatial information layers (shapefiles and raster data). The files provide a comprehensive overview of data availability on obligate cave-dwelling fauna and bat ranges useful for examining relationships between environmental factors and biological diversity and distribution within karst areas of the Appalachian LCC.


map background search result map search result map Topographic and Bathymetric Shaded Relief of North America Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Relief image of the Green River Basin Illinois River, Brandon Pool 0.5m, Elwood Quad, Contours Mississippi River, Pool 19n Nauvoo Quad, 0.5m Contours Geology Map of the Day Project Collins Claim Group, Preliminary Composite Map Christmas Mine Area, Topo Survey 5 Bullhead City-Kingman Highway Topographic Map Christmas Area, Topographic Survey Sheet 3 I.P. Work Map San Simon, Magnetic Interpretation Safford, Magnetic Interpretation S.G. Claims, Topographic Map Plate 3 Christmas Mine Area, Topo Survey 6 Miami Copper Topographic Plan Hilltop Claim Group, Geologic and Topographic Map Tombstone Topographic Sheet 1 Christmas Mine Area, Total Intensity Mobile Magnetic Traverse 4 Oregon Mine, Surface Plan Shuttle Radar Topography Mission (SRTM) elevation interpolated at 1 km resolution across the Appalachian Landscape Conservation Cooperative (LCC) region Illinois River, Brandon Pool 0.5m, Elwood Quad, Contours Mississippi River, Pool 19n Nauvoo Quad, 0.5m Contours San Simon, Magnetic Interpretation Relief image of the Green River Basin Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Shuttle Radar Topography Mission (SRTM) elevation interpolated at 1 km resolution across the Appalachian Landscape Conservation Cooperative (LCC) region Topographic and Bathymetric Shaded Relief of North America