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This Web site contains information on activities of the National Geologic Map Database Project (NGMDB). The NGMDB is a collaborative effort primarily involving the USGS and the Association of American State Geologists. This Web site contains informal, generally time-sensitive material intended for project members, cooperators, and interested parties.

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STANDARDS
AND GUIDELINES



Background

Geologic Map Symbolization

Geologic Map Database

   DATABASE DESIGN --

   SCIENCE TERMINOLOGIES --

   DATA INTERCHANGE FORMAT --

Map Publication Guidelines

Digital Mapping Techniques

Metadata

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This page is http://ngmdb.usgs.gov/Info/standards/
Maintained by Dave Soller
last update: Jan. 17, 2013