Oil Belt of Clarion County, Pennsylvania. Venango County and Butler County

Map of the Oil Belt of Clarion County, PA from Actual Surveys by J.A. Caldwell, 1877. (List of) Oil Wells of the Clarion Belt and on whose Farm Located. Outline Map of Venango County Outline Map of Butler County.

Caldwell, Joseph A.

1877

1877

J.A. Caldwell

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