Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania, by F. Bascom and G.W. Stose.
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TextSeries: U.S. Geological survey. Bulletin 891Publication details: Washington, U.S. Govt. Print. Off., 1938.Description: v, 145 p. incl. illus., tables, 11 pl. (incl. fold. map (in pocket) fold. diagr.) 23 cmSubject(s): LOC classification: - QE75 .B9 no. 891
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At head of title: United States Department of the Interior...Geological survey...
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