Reports and maps of the Geological Survey released only in the open files, 1971
By: Betsy A. Weld, Kathleen T. Iseri, and George W. Brett.
Contributors: Iseri, Kathleen T.; Brett, George W.; Geological Survey (U.S.)
Series: Geological Survey circular -- 648
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 26
Subjects: Geological Survey (U.S.) -- Bibliography; Geological Survey (U.S.) -- Maps -- Bibliography
Notes: Includes index.