Bathtub Mountain and Ruby Rapids to Paris Canyon and Cinder Butte, the author will lead the collector to over 40 of the best mineral, fossil, and gemstone sites Idaho has to offer. Find the best spot in Rabbit Springs to find agate-filled thundereggs or where to hunt for precious opal in Spencer. A comprehensive list of Bureau of Land Management agencies and National Forest Services throughout the state is included to aid in planning your collecting adventure. Complete with individual site maps, an overview map, detailed directions, and black and white photos. The Gem & Mineral Collector's Guide to Idaho is the essential guide for rockhounding in Idaho. For the last two decades, Lanny Ream has been writing and publishing books on the minerals and "popular geology" of the Northwest, and publishes a monthly newspaper for mineral collector's - Mineral News.

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