Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania, by Charles Butts and Elwood S. Moore.
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TextPublication details: Washington, U.S. Govt. Print. Off., 1936.Description: vi, 111 p. incl. maps, tables. 12 pl. (incl. fold. col. map, fold. col. profile, fold. diagr.; in pocket) on 8 l. 23 cmSubject(s): LOC classification: - QE75 .B9 no. 855
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At head of title: United States Department of the Interior.
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