Gurnee, Russell H. books & textbook
Gurnee Guide to American Caves: A Comprehensive Guide to the Two Hundred Show Caves in the United States
Natl Cave Assn Books /1990T Paperback / 288 Pages
isbn-10: 0931402085 / isbn-13: 9780931402081
Discovery of Luray Caverns, Virginia
R. H. Gurnee, Inc. /1978T Paperback / 107 Pages
isbn-10: 093140200X / isbn-13: 9780931402005
visiting american caves a comprehensive guide to all the American caves open to the public
Howard N. Sloane Russell H. Gurnee
crown publishers, inc. cr1966 /1966T Hardcover
Discovery at the Rio Camuy,
Crown Publishers /1974T Loose Leaf / 183 Pages
isbn-10: 0517505940 / isbn-13: 9780517505946
Gurnee guide to American caves: A comprehensive guide to the caves in the United States open to the public
Russell H. Gurnee Jeanne Gurnee
Zephyrus Press /1980-01-01 Hardcover / 252 Pages
isbn-10: 091426429X / isbn-13: 9780914264293
