Societal Value of Geologic Maps; U.S. Geological Survey Circular 1111
Washington: United States Government Printing Office, 1993. softcover, 11" x 8.5", 53 pages, illustrated, written on cover. from the title page, "An economic analysis by the U.S. Geological Survey's National Geologic Mapping Program that descirbes (1) geologic maps and their use as a fundamental data base, (2) a rigorous benefit..... More
























