Alberta Society of Petroleum Geologists 1967 ABSTRACTS OF THE PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON THE DEVONIAN SYSTEM in wraps as issued, some wear, contents good with 163 pp. and short reports that cover various aspects of Devonian strata around the globe. Scarce.  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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