Welcome to GISuser's Geospatial Data Resources. Our mission is to provide the GISuser community with information and pointers to publicly available data products around the Globe. Please be sure to contact GISuser to suggest additions to the directory or to report bad or broken links. Note: This catalog is constantly evolving. To submit a Data source CLICK HERE
CASIL Free DRG downloads
Written by GISuser
03 May 2004
The DRG data at CaSIL are organized by directories. The directories are named based on the series (C|F|0), projection(Albers NAD27|Albers NAD83), and type (trimmed|untrimmed|mosaic). In the case of the 7.5 Minute (O) Series, the DRGs are further subdivided based on the USGS quad identifier (ie. 37122). Users of web browsers can click on the desired quad on the client side image map to directly retrieve the appropriate GeoTiff file. A tooltip will show up to help identify the actual quad on the client side image map.
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Welcome to GISuser's Geospatial Data Resources. Our mission is to provide the GISuser community with information and pointers to publicly available data products around the Globe. Please be sure to contact GISuser to suggest additions to the directory or to report bad or broken links. Note: This catalog is constantly evolving. To submit a Data source 
