Geological Survey research.
Contributors: Nolan, Thomas Brennan, 1901-; Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 501-A,B,C,D
Publisher: U.S. Government Printing Office
Published: 1964
Place of publication: Washington, DC
Language: eng
Subjects: Geology -- United States -- Periodicals.; Geology -- Periodicals.
Genres: Periodicals.
Notes: Began with 1960.

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