Collection of 20 geologic maps which are now available in geodatabase (.gdb) format following the USGS Geologic Mapping Schema (GeMS). Current collection consists of 16 county maps, Quaternary, Pleistocene, and bedrock, 1:100,000 scale, 3 regional maps, 1:250,000 scale, and one bedrock map at 1:100,000 with multiple counties. Geodatases are available as downloads from the WGNHS web site.
