Bulletin of the Geological Society of America . Figure 3.—UnconformaMe Contact of Limestone Conglomerate containing suhangitlarBlocks of white Marble at Base of Conestoga Limestone on Ledger Dolomite Closer view in old quarry 2 miles northeast of Lancaster. 0l2 STOSE AXD JOXAS ORDOVICIAX IX PIEDMONT PEOVIXCE. Figure 4.—Solutit^H CttiUc in nJiitc MarhJe of the Leduer Dolomite filled aitli Lime-stone Breccia at hase of Conestoga Limestone View taken on the west bank of Conestoga Creek, at Lancaster waterworks.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890