Pure limestone (Extensively quarried for high ? calcium lime) x % S3 Columbia ?j Waynesboro formation (Red shale and sandstone and impure blue limestone) Shale (Fossiliferous) Shale of Kinzers formation 3 HI Gt J X Tomstown dolomite (Includes area at Saginaw, south of Triassic basin) z < 0H Vintage dolomite Vintage dolomite < u X ...
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