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- Notes:
- From, "Map Oil and Gas Regions, Annual Report 1885, page 12."; Report of progress 1885.; "Copyright 1885, by William A. Ingham, Secretary Board of Commissioners, Second Geological Survey of Pennsylvania."; Includes "List of oil producing areas outlined on map."; Drawn by O.B. Harden.; A portion of the data for this map was furnished by John F. Carll. and 1 map : color 76 x 67 cm
- Data Provider:
- University of Michigan. Libraries
- Collection:
- UM Clark Library Maps