Author: Schweinfurth, Stanley P. / Year: 1976 - Yale University Library GeoBlacklight Search Results

Start Over Author Schweinfurth, Stanley P. Year 1976

1. Geologic map of the Avella quadrangle and part of the Steubenville east quadrangle, Washington County, Pennsylvania [cartographic material]

1976. 2013-08-26T20:16:30Z. 2013-09-04T19:51:57Z. Schweinfurth, Stanley P. U.S. Geological Survey. English. Public. Pennsylvania and Washington County.

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1. Geologic map of the Avella quadrangle and part of the Steubenville east quadrangle, Washington County, Pennsylvania [cartographic material]

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