01415cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035002000092040004000112042001200152050003100164110003900195245026700234260008100501300010300582490007600685500012100761650004200882650004700924700009000971830007101061999001701132gs 07000710 DLC20260227111306.0840525s1883    pauabf        000 0 eng c  ags 07000710   a(OCoLC)10774840  aU.S. Geol. Survey. Libr.cPWbWdDLC  apremarc00aQE157b.A16 vol. 16, pt. 12 aGeological Survey of Pennsylvania.14aThe geology of Lehigh and Northampton Counties.cGeneral introduction by J.P. Lesley. Slate belt and quarries, by R.N. [i.e. H.] Sanders. Water gaps, by H.M. Chance. Limestone belt and iron ore mines, by F. Prime. Itinerary survey of the mountains, by C.E. Hall.  aHarrisburg,bBoard of Commissioners for the Second Geological Survey,c1883.  axxivD3, D3-283, 4 p.billus., plates, map, diagrs.c23 cm. andeatlas of 28 fold. maps (part col.)1 aSecond geological survey of Pennsylvania: report of progress,vD3, v. 1  aAtlas sheets also illustrate D3, v. 2: The geology of the South Mountain belt of Berks County, by E.V. D'Invilliers. 0aGeologyzPennsylvaniazLehigh County. 0aGeologyzPennsylvaniazNorthampton County.1 aD'Invilliers, Edward Vincent,d1857-tGeology of the South Mountain belt of Berks Co. 0aReport of progress (Geological Survey of Pennsylvania),vD3, v. 1.  c24618d24618