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National Geologic Map Database

NGMDB

The National Geologic Map Database Project (NGMDB) is a collaborative effort primarily involving the
USGS and the Association of American State Geologists (AASG). This Web page contains information
regarding the development of methods and standards intended to address a fundamental requirement
of the NGMDB's authorizing legislation, the Geologic Mapping Act of 1992:

Quote from the Geologic Mapping Act of 1992
Digital Mapping Techniques Workshop Standards Progress reports Partners

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Supported by the National Cooperative Geologic Mapping Program
URL: http://ngmdb.usgs.gov/Info/
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Page Last Modified: Mon May 12 13:42:31 2014