00835cam a22002291 4500 gs 14000059 DLC 20260227111315.0 761022s1912 paubf b s000 0 eng c gs 14000059 (OCoLC)2521727 U.S. Geol. survey. Library NAlfC DLC premarc GA61.P4 A5 no. 6 Miller, Benjamin L. (Benjamin LeRoy), 1874-1944. Graphite deposits of Pennsylvania, by Benjamin L. Miller ... Harrisburg, C.E. Aughinbaugh, printer to the state of Pennsylvania, 1912. 1 p. l., 148 p. plates, maps (part fold.) diagrs. (part fold.) 24 cm. Pennsylvania. Topographic and geologic survey. Report no. 6 Bibliograhy: p. 129-140. Graphite Pennsylvania 25329 25329