National geologic map database [electronic resource].
- Imprint
- [United States] : USGS, National Cooperative Geologic Mapping Program, [1996?]-
Online
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Description
Creators/Contributors
Contents/Summary
- Summary
- This is a prototype version of a Database which provides access to maps and other spatially referenced data for geology, geophysics, marine geology, earth resources, hazards, geochemistry, geochronology, and paleontology.
Subjects
- Subjects
- Geology > Maps > Databases.
- Database topics
- Geography
- Earth Sciences
- Environmental Studies
- Government Information: United States
Bibliographic information
- Beginning date
- 1996
- Title variation
- NGMDB
- File characteristics
- Computer data and programs.
- Note
- Managed by the USGS's National Cooperative Geologic Mapping Program in cooperation with the Association of American State Geologists.
- Title from title screen.
- Format
- Mode of access: Available over the Internet via the World Wide Web.