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.

How to add records to the Map Catalog

-- Information and Resources --

Welcome to the map-catalog help pages for our State geological survey and other cooperators! We hope you find the information and resources needed to begin entering geologic maps for your state into the National Geologic Map Database's map catalog. Please contact us with any questions or comments.

  1. Please read "Getting Started"

  2. NGMDB Record Entry Manual
    NOTE: please see revised section 11 (state-wide map), section 12 (digital publications) and section 13 (county)

  3. Prepare your records in a Standard Format:

  4. How to Modify Existing Records:

  5. Questions or Comments? Contact us

  6. Long-Term Needs!

This page is
Maintained by Dave Soller (
last update: Dec. 7, 2007