From Parts (In 6 layers) Depicts: 1882 Last modified 23 days ago. Unrectified.
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Second Geological Survey of Pennsylvania, anthracite district, Panther Creek Basin, Carbon and Schuylkill counties, Volume I of Southern Coal Field, cross section / J.P. Lesley, State Geologist ; Chas. A. Ashburner, geologist in charge ; geological as...
From Parts (In 6 layers) Depicts: 1882 Last modified 23 days ago. Unrectified. |
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