DRG Maps
Colorado 100k/250k DRGs
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Price: $20.00
DVD CD    

Complete Dataset Features:
  • 120 high quality scanned reproductions of USGS 1:100,000 & 1:250,000 scale topographic maps known as Digital Raster Graphics (DRG).
  • Maps are in GeoTIFF format (.tif).
  • Maps include collars.
  • Georeferencing (.tfw) files for every map for use in any GIS software application.
  • Free Viewing software (details) (Upgrade to Global Mapper).
  • Native Projection: UTM, Datum: NAD27 (CONUS).
  • Maps are on 3 CDs or 1 DVD.
  • Over 1.5 gigabytes of data covering the whole state of Colorado and parts of bordering states.
  • Equivalent cost for comparible USGS paper maps would be over $800!
  • Great for recreational and business purposes and can be fully manipulated to meet your needs.
Click the maps below for full size example maps.