National Geologic Mapping Program
Subtitle: goals, objectives, and long-range plans
By: by U.S. Geological Survey.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey circular ;; 1020
Publisher: U.S. Geological Survey, Federal Center; U.S. G.P.O.
Published: 1987
Place of publication: Denver, CO; [Washington, D.C.]
Language: eng
Number of pages: 29
Subjects: National Geologic Mapping Program (U.S.); Geological mapping -- United States.