Author: Ashley, George H.
Title: Geology and Mineral Resources of the Punxsutawney Quadrangle, Pennsylvania
Description: Harrisburg, Pennsylvania Geological Survey, 1969. Softcover. Bottom edge of front cover darkened; backstrip slightly sun-faded; dampstains at hinge corners and outside edge of front cover, affecting title page and inside covers; top corner of rear cover slightly bumped, affecting pages; otherwise very good condition. 145p. Illus with folding maps and charts. Three maps in rear pocket. Second printing. (Bulletin A 65). .

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