00969cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040005000111042001200161050002200173100003600195245014600231260008000377300006100457490006500518500004600583650003800629650003100667710002900698gs 11000344 DLC20260227111311.0790510s1910    paubf         000 0 eng c  ags 11000344   a(OCoLC)4951260  aU. S. Geol. survey. LibrarycICIUdOCoLCdDLC  apremarc00aGA61.P4bA5 no. 11 aMunn, Malcolm John,d1874-    .10aGeology of the oil and gas fields in Sewickley quadrangle,cby M. J. Munn. Surveyed in co-operation with the United States Geological survey.  aHarrisburg,bC. E. Aughinbaugh, printer to the stae of Pennsylvania,c1910.  a172 p. . pl. (part fold., incl. maps) fold. tab.c24 cm.0 aPennsylvania. Topographic and geologic survey. Reportvno. 1  a"Introduction, by I. C. White": p. 13-23. 0aPetroleumxGeologyzPennsylvania. 0aNatural gaszPennsylvania.2 aGeological Survey (U.S.)