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Opperman's map of the Middle Oil Field, 1883.
Map shows petroleum exploration activity and oil fields for Warren, Forest, Clarion, and portions of adjacent Pennsylvania counties; landowners, property tracts, tract numbers, drilling and well locations, roads, railroads, and towns. Includes explanation. Scale [ca. 1:75,400].
Date:
1883
Creator:
Opperman, J.
System:
The Portal to Texas History