TY - BOOK ID - 145799699 TI - Societal value of geologic maps : an economic analysis by the U.S. Geological Survey's National Geologic Mapping Program that describes (1) geologic maps and their use as a fundamental data base, (2) a rigorous benefit-cost model for valuing geologic map information, and (3) the economic issues associated with determining whether or not a geologic map is a public good AU - BERNKNOPF, Richard L. AU - BROOKSHIRE, Marjorie AU - Brookshire, David S. AU - Soller, D. R. AU - McKEE, Michael J. PY - 1993 PB - Denver : US geological survey, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:145799699 AB - ER -