National Geologic Map Database

Resource available without restriction
To link to this resource use: https://libraries.indiana.edu/resources/ngmd
The National Geologic Map Database contains information about geology-related printed maps and GIS data produced by Federal and state agencies.
Additional Information
Searchable catalog providing access to maps and other spatially referenced data for geology, geophysics, marine geology, earth resources, hazards, geochemistry, geochronology, and paleontology. Includes links to other sources of topographic and related maps, other earth science databases, and additional Web resources related to geology.
Coverage:
1825 to Present - Updated regularly
Vendor:
U.S. Geological Survey
Producer:
U.S. Geological Survey
Interlibrary Loan:
Not Permitted
Simultaneous User Limit:
Unlimited simultaneous users
TERMS OF USE