The Jewel Cave Adventure. Fifty Miles of Discovery Under South Dakota.
Conn, Herb and Jan.
Teaneck, New Jersey: Zephyrus Press, Inc., 1977. First edition 10" x 7". 238pp. Ownership signature and blindstamp, else a near fine copy in a VG+ dust jacket. The Jewel Cave in the Black Hills of South Dakota is one of the largest and most beautiful cave systems known in the world. It was discovered around 1900, and is now a National Tourist Attraction. This book also features sections on the geology and history of the cave, a list of the longest 25 caves in the world, illustrations after photographs and maps, and more. Hardcover (Item ID: 3128)