The AASG charge to the Digital Geologic Mapping Committee is as follows:

"The Digital Geologic Mapping Committee shall represent all of the state 
geological surveys to help establish and construct the National Geologic 
Map Database as required by the National Geologic Mapping Act of 1992, 
and by federal legislation reauthorizing the Act. The Committee will work 
in direct cooperation with the U.S. Geological Survey (USGS) where the 
national database is to reside. The Committee will work with the USGS to 
establish and meet digital standards to be developed in concert with the 
Federal Geographic Data Committee (FGDC). The Committee shall, with the 
approval of the Executive Committee establish subcommittees to deal with 
digital mapping issues such as metadata, attribution, costs, and 
topographic mapping. It will also report on activities of the FGDC, the 
NAS/NRC Mapping Science Committee, and other groups from government, 
private industry, and academia involved with digital mapping standards."