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.

National Geologic Map Database Project

Geologic Map Symbol Standards Committee

The Geologic Map Symbol Standards Committee functions as a standing body. It is composed of about 10 members including: a) one geologist from each of the three USGS regions, at least three geologists from the state geological surveys, at least two geologists from academia, and the two principals responsible for preparing the standard (Dave Soller and Taryn Lindquist, USGS)]. The Committee is coordinated by Dave Soller, of the National Geologic Map Database project, on behalf of the USGS and the Federal Geographic Data Committee (FGDC), and in cooperation with the AASG, as directed in the "Maintenance Authority" section of the Standard.

The members of this Committee are:
   Tom Berg (State Geologist, Ohio)
   Mark Jirsa (Minnesota GS)
   Jay Parrish (State Geologist, Pennsylvania)
   Bob Hatcher (Univ. Tennessee, Knoxville)
   Steve Reynolds (Arizona State University)
   Byron Stone (U.S. Geological Survey)
   Jack Reed (U.S. Geological Survey)
   Jon Matti (U.S. Geological Survey)
   Taryn Lindquist (U.S. Geological Survey)
   Dave Soller (coordinator) (U.S. Geological Survey)

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Maintained by Dave Soller
last update: Jun. 1, 2002