Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania,
by F. Bascom and G.W. Stose.
- Washington, U.S. Govt. Print. Off., 1938.
- v, 145 p. incl. illus., tables, 11 pl. (incl. fold. map (in pocket) fold. diagr.) 23 cm.
- U.S. Geological survey. Bulletin 891 .
At head of title: United States Department of the Interior...Geological survey...
gs 38000280
Geology--Pennsylvania. Mines and mineral resources--Pennsylvania.