Vaughn, Dr. Danny M. books & textbook
Visions and Images, Volume I: Arches, Bryce Canyon, and Canyonlands National Parks: Includes an Historical Geology of Rock Units
Independently published /2022-09-15 Paperback / 291 Pages
Visions and Images, Volume II: Capitol Reef and Zion National Parks: Includes an Historical Geology of Rock Units
Independently published /2022-09-15 Paperback / 357 Pages