| Name: | A Half Century of Caving | Publisher: | Colorado Grotto | Editor: | Donald Davis | | James Wilson | | Michael Zawada | Binding: | softcover | Pages: | 108 | Purchase |
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| Name: | Caves of Williams Caņon: History, Exploration, Science and Conservation: 1982-2000 | Author: | Donald G Davis | | Richard Rhinehart | | Tom Dotter | Publisher: | The Williams Canyon Project | Editor: | Ron Kolstad | | Richard Rhinehart | Binding: | softcover | Pages: | 248 | Purchase |
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