National Level Links
Global 30 Arc-Second Digital Elevation Model (GTOPO30)
- Source: USGS
- Format: Simple Binary Raster Geographic Coverage: Africa, Antartica, Asia, Australia, Europe, Greenland, North America, South America
- Projection: Geographic
30 Arc Second Digital Terrain Elevation Data
- Source: National Imagery and Mapping Agency
- Format:
- Geographic Coverage: World Coverage
- Projection
1:2,000,000 Scale Digital Line Graphs
- Source: USGS
- Format: DLG, SDTS
- Geographic Coverage: Check Coverage
- Projection: UTM
1:100,000 Scale Digital Line Graphs
- Source: USGS
- Format: DLG, SDTS
- Geographic Coverage: Check Coverage
- Projection: UTM
1:24,000 Scale Digital Line Graphs
- Source: USGS
- Format: SDTS
- Geographic Coverage: Check Coverage
- Projection: UTM
Digital Orthophoto Quadrangles (DOQs) 1:12,000
- Source: USGS
- Format: ASCII header, binary image data
-
- Geographic Coverage: Check Coverage
- Projection: UTM
- NOTE: Available to order through (GLIS)
Digital Raster Graphics (DRG) 1-Degree x 1-Degree
- Source: USGS
- Format: Scanned Images (Tiff)
- Geographic Coverage: Arkansas, Florida, Idaho, Kansas, Missouri, Montana, Nebraska, Nevada, Pennsylvania, West Virginia, Wyoming, Upper Mid-Western States (partial)
- Projection:
Public Land Survey System (PLSS)
- Source: Bureau of Land Management (BLM)
- Format:
- Geographic Coverage:
- Projection:
NOAA GLOBE V.1.0 Global 1km data
- Source: NOAA
- Format: gzip files
- Geographic Coverage: World
- Projection:
Last Update:
Wednesday, 16-Jan-2008 14:37:43 EST
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