State Library of Pennsylvania - Pennsylvania Conservation and Science

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  • Date = 1945

About This Collection

Items related to the care, management and supervision of natural resources in order to preserve and protect them through prudent management. General and specific topical texts in the natural and industrial sciences, such as paleontology and engineering.

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Oil and gas field farm line maps of the Franklin and Oil City quadrangles, Pennsylvania / compiled by Parke A. Dickey and L.S