01123cam a22002531i 4500 gs 41000064 DLC 20260227111346.0 800825s1941 paua 000 0 eng c gs 41000064 (OCoLC)6651385 U.S. Geol. survey. Library. PLhS OCoLC DLC premarc QE157 .A293 no. 125 Fettke, Charles R. (Charles Reinhard), 1888-1959. Music mountain oil pool and other oil pools in Lafayette township, McKean county, Pennsylvania / by Chas. R. Fettke. [Harrisburg, 1941] 1 p.l., 34 p. : ill. ; 23 cm. Pennsylvania. Geological survey (4th, 1919- ) Progress report 125 At head of title: ... Commonwealth of Pennsylvania. Dept. of internal affairs, William S. Livengood, jr., secretary. Topographic and geologic survey, George H. Ashley, state geologist. Petroleum Geology. Petroleum Pennsylvania McKean County. Pennsylvania. Bureau of Topographic and Geologic Survey. Progress report ; 125. 27713 27713