Activities of the United States Geological Survey in Pennsylvania
By: compiled by Charles R. Wood
Contributors: Wood, Charles R; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 97-640
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Branch of Information Services [distributor]
Published: 1997
Place of publication: Lemoyne, Pa; Denver, Colo
Language: eng
Format: Microform
Number of pages: 32
Subjects: Geological Survey (U.S.); Earth sciences -- Pennsylvania
Notes: Shipping list no.: 99-0352-M

Includes bibliographical references (p. 24-29)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1998?] 1 microfiche : negative