Search Results: Geology from S. Howlett-West Books (member of ABAA & ILAB)

New York: Crown Publishers. Very Good+ in Very Good dust jacket. 1973. 1st Edition; 1st Printing. Hardcover. 0517505940 . B&W Photographs; This book is in Very Good+ condition and has a Very Good dust jacket. The book and its contents are in clean, bright condition. The text pages are clean and bright. There is a previous owner's embossed name stamp on the front endpaper. The dust jacket is crisp and clean but does have wrinkling to the laminate that was done during the publishing process. "The Cavernas del Río Camuy is the third largest cave network on the planet, and the largest in the Western Hemisphere. The Río Camuy (Camuy River) shaped the stalactites, stalagmites and sinkholes when coursing through the area more than a million years ago. Researchers unearthed the Río Camuy cave system in the late 1950s, though it was likely a re-discovery. Archaeologists believe Puerto Rico’s native population explored the area centuries before. Today, more than… Read More

Sacramento, CA: California Division of Mines. Very Good+. 1978. 3rd Printing. Paperback. B&W Illustrations; This is a trade sized paperback book. The book is in Very Good+ condition and was issued without a dust jacket. The book and its contents are in clean, bright condition. The text pages are clean and bright. There is a map in clean bright condition in a pocket at the rear of the book. "A 'Mineral Resource' is a concentration or occurrence of material of intrinsic economic interest in or on the earth's crust in such form, quality and quantity that there are reasonable prospects for eventual economic extraction. Mineral Resources are further sub-divided, in order of increasing geological confidence, into inferred, Indicated and measured Categories. Inferred Mineral Resource is the part of a mineral resource for which tonnage, grade and mineral content can be estimated with a low level of confidence. It is inferred from geological evidence and assumed but not… Read More