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Water resources of the Philadelphia district;

By Bascom, F..
Washington, Govt. Print. Off. 1904 .
75 p. , Subject series: M, General hydrographic investigations, 12; Underground waters, 26. 23 cm..

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The ancient volcanic rocks of South mountain, Pennsylvania /

By Bascom, F..
Washington, Govt. Print. Off., 1896 .
124 p. : , "Literature" : p. 87-91. 24 cm..

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Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey /

By Bascom, F..
Washington : U.S. G.P.O., 1931 .
iv, 62 p. : , Col. map on folded leaf in pocket. 24 cm..

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Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania,

By Bascom, F..
Washington, U.S. Govt. Print. Off., 1938 .
v, 145 p. , At head of title: United States Department of the Interior...Geological survey... 23 cm..

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