Reports and maps of the Geological Survey released only in the open files, 1973
By: by Betsy A. Weld, Kathleen T. Iseri, and Marvin L. Millgate
Contributors: Iseri, Kathleen T., author; Millgate, M. L., author; Geological Survey (U.S.)
Series: Geological Survey circular -- 696; Geological Survey circular -- 696.
Publisher: U.S. Department of the Interior, Geological Survey
Published: 1974
Place of publication: Reston, Va
Language: eng
Number of pages: 25
Subjects: Bibliography; Maps; Geological Survey (U.S.)
Notes: Includes index.