Questions about the digital geologic map of the conterminous United States should be directed to the authors: Phone FAX Email Paul Schruben (703) 648-6142 6383 email@example.com Walt Bawiec (703) 648-6148 6383 firstname.lastname@example.org U.S. Geological Survey, 954 National Center, Reston, VA 22092-9998. Copies of DDS-11 CD-ROM are available from U.S. Geological Survey, Map Distribution, Box 25286, Building 810, Federal Center, Denver, CO 80225. The original 1974 publication of the Geologic Map of the United States is available as three color sheets numbered IA10-1, 2, and 3.
Current Map Prices Please order maps from: U.S. Geological Survey Map Distribution Box 25286, Building 810 Federal Center, Denver, CO 80225 Tel: 1-888-ASK-USGS
The ESIC help line can also supply maps. Telephone 1-888-ASK-USGS