01304cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153050002400165051002600189100002200215245035700237260009300594300007000687490006300757500007000820650002900890700002100919700003400940830006400974gs 07000736 DLC20260227111306.0780325s1875    pauab        s001 0 eng c  ags 07000736   a(OCoLC)3747335  aU.S. Geol. Survey. LibrarycTxEUdDLC  apremarc00aQE157b.A16 vol. 42  aTN872.P4bW7cCopy 2.1 aWrigley, Henry E.10aSpecial report on the petroleum of Pennsylvania,bits production, transportation, manufacture and statistics.cBy Henry E. Wrigley ... To which are added a map and profile of a line of levels through Butler, Armstrong and Clarion counties.  By D. Jones Jucas.  And also a map and a profile of line of levels along Slippery Rock creek.  By J. P. Lesley.  aHarrisburg,bPub. by the Board of Commissioners for the Second Geological Survey,c1875.  avii, 122J p.bfold. plates, fold. maps, diagrs. (1 fold.)c23 cm.1 aPennsylvania. Geological Survey, 2d. Report of progressvJ  aAt head of title: Second Geological Survey of Pennsylvania, 1874. 0aPetroleumzPennsylvania.1 aLucas, D. Jones.1 aLesley, J. Peter,d1819-1903. 0aReport of progress (Geological Survey of Pennsylvania),vJ.