Seller: Earl The Pearls, Edmond, OK, U.S.A.
Soft cover. Condition: Fine. Binding tight and square. Pages clean and free of writing or marks. Seller Inventory # AZ659-016
Seller: Bluesparrowhawk Books, Chestfield, KENT, United Kingdom
Soft cover. Condition: Good. No Jacket. RARE slim EX-LIBRARY oversize paperback, published by the Geological Society of America, 1990. 100pp. Plasticised cover, usual library marks, sticker to back cover. Good. Seller Inventory # PB-15928
Seller: Catron Grant Books, Rio Rancho, NM, U.S.A.
Large Format Soft Cover. Condition: Near Fine. 100 pp with B&W illustrations throughout. Full title, "The Cretaceous/ Tertiary boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metemorphosed minerals; Evidence relevant to the K/T boundary impact-extinction theory." which pretty much says it all. Text is clean, tight and unmarked. Covers are bright and undamaged. Seller Inventory # 200385