The Rock Collector’s Guide to Nevada and IdahoCharmingly chatty narration of rock hunting trips and treasures. Loaded with hand-drawn maps and careful measurements. Pamphlet Rocks & Minerals Author: Henry, Derold J. Publisher: Lowell R. Gordon Date Published: 1/1/1953 Number of Pages 72Leave a Reply Cancel replyYou must be logged in to post a comment. « The Road to Rockhounding, Humboldt County, Nevada » Jewelry Making Gems And Minerals #459 January 1977