Greater Pittsburgh region construction aggregates.

By: O'Neill, Bernard J, 1920-Contributor(s): Pennsylvania. Bureau of Topographic and Geologic Survey | Geological Survey (U.S.)Material type: TextTextReference number:3073651Series: Mineral resource report ; M67.Publication details: Harrisburg [Pennsylvania Topographic and Geologic Survey] 1974. Description: 1 slipcase (vii, 60 p. 2 fold. col. maps, fold. table) 24 cmSubject(s): Aggregates (Building materials) -- Pennsylvania -- Pittsburgh Region
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"Prepared by Pennsylvania Bureau of Topographic and Geologic Survey in cooperation with the United States Geological Survey..."

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