year of publication | ISBN | author(s) | title |
---|---|---|---|
1985 | 978-0-9614840-0-2 | L. J Ettinger | The rockhound and prospector's bible: A reference & study guide to rocks, minerals, gemstones & prospecting |
2000 | 978-0-9614840-6-4 | L. J. Ettinger | The Amateur Archaeologist in the Great Basin |
2005 | 978-0-9614840-7-1 | '' | The Best of Northwest Arizona And the Grand Canyon |