Map Showing Depths to the Pittsburgh Coal Bed, Mining Activity, and Related Surface Subsidence, Allegheny, Washington, and Westmoreland Counties, Pennsylvania [Miscellaneous Field Studies Map MF-693A]
Harrisburg, PA: Commonwealth of Pennsylvania, 1975. Paperback. Folded map in pocket! 43" x 36", b&w map. Near fine condition with diagonal crease to corner panel. Near fine. Item #B57644
Price: $25.00
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