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1955:Floras of the Pocono Formation and Price Sandstone in parts of Pennsylvania,Maryland West Virginia,and Virginia.U.S.Geol.Surv.Prof .2 Read,C.B. Paper .
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Lower Pennsylvanian species of Mariopteris, Eremopteris, Diplothmema and Aneimites from the Appalachian region .2 White,D. U. S. Geol. Surv. Prof. Paper, (197-C) . 1943