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.

State Contacts for the
National Geologic Map Database

The NGMDB project works closely with designated contact people in each state geological survey (see table below and Explanation). Please send corrections to Dave Soller. Thank you for helping us build the NGMDB!

Go to:
State Type of Contact Phone Email