01153cam a22003131a 4500 gs 31000225 DLC 20260227111336.0 720328s1931 dcuab b f001 0 eng gs 31000225 (OCoLC)271912 DLC ODaWU NcGrE DLC premarc n-us-pa n-us-nj QE75 .B9 no. 828 Bascom, F. (Florence), 1862-1945. Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey / by F. Bascom ... [et al.] Washington : U.S. G.P.O., 1931. iv, 62 p. : ill. (some folded), maps (some col.) ; 24 cm. Bulletin ; 828 Col. map on folded leaf in pocket. Includes bibliographical references and index. Geology Pennsylvania. Geology New Jersey. Mines and mineral resources Pennsylvania. Mines and mineral resources New Jersey. Quakertown-Doylestown district, Pennsylvania and New Jersey. Geological Survey bulletin ; 828. 26902 26902