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 about 2 years ago. Unrectified.
A low resolution preview is shown below.