CDS offers a full line of mapping software, data and applications for the industry.
Tag: US – Nationwide GIS Data Sources
USGS DRGs
A digital raster graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) standard series topographic map, including all map collar…
NPS National GIS Data Sets
NAtional park service data products. FTP access to loads of data, many in E00 format. PArk boundaries, historical trails, imagery and much more
National Forest Boundaries
This dataset contains National Forest boundaries for the lower 48 states and Alaska, including Puerto Rico. The dataset includes administrative unit boundaries dervied…
USDA Forest Service Geodata Clearinghouse
The Geospatial Service and Technology Center (GSTC) is a U.S.Department of Agriculture-Forest Service facility located in Salt Lake City, Utah. Co-located with the…
Dynamap/1000 Shapefile Download Center
Dynamap/1000 is a vector based, digital, geographic database in which streets and features are represented as line segments. Each side of a street…
US Land Survey Information System (LSIS)
The Land Survey Information System or LSIS is the official government Web site for the distribution of the Public Land Survey System (PLSS)…
US Large Scale (24k) DLG data (ftp)
The 1:24,000-scale DEM data archived here at the EROS site is divided just like 7.5′ paper maps into 7.5 x 7.5-minute sets indexed…
SRTM DTED Level 2 – 1 arc second data
Shuttle Radar Topography Mission DTED Level 2 (1 arc second) Data on DVD (United States and Territorial Islands) SRTM DTED is a uniform…
FAA Airports database
This map layer includes the locations of nearly 850 airports in the United States. The information in the map layer was provided by…