Acquiring Geodata

You can add to your project materials from a growing number of sources such as government agencies and private organizations that offer geodata collections. Use this geodata for geospatial analysis and to relate your project materials to established map bases. You can download some datasets from the Internet; others can be ordered on CD-ROM. Explore geodata sources such as:

USGS Digital Elevation

TIGER / Line Data

National Aerial Photos

STATSGO soils

Landsat TM / MSS

TerrainBase Global Relief

USGS Digital Line

Digital Orthophotos

GTOPO30 elevation

AVHRR satellite

Digital Chart of the World

mapped databases

Acquiring Geodata (file date: 4 Jan 10)

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