Hoover K. V. 1960 DEVONIAN - MISSISSIPPIAN SHALE SEQUENCE IN OHIO Ohio Geological Survey Information Circular #27 4to, in wraps as issued, light wear and a very good copy with 154 pp., 3 plates, frontis plates and 11 figures. Covers the black shale sequence of northern Ohio including the Chagrin and Cleveland Shales, noted for their fossil shark and fish faunas, in addition to other fossils. A nice copy. Buyer/highest bidder pays shipping, payments via Ebay preferred. Items shipped within 5 business days from receipt and clearance of payment, tracking will be posted. For more geology paleontology gold silver and other ore mining mineralogy and related geoscience and natural history books bulletins atlases and maps, please browse my other auctions.

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