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Get the perfect guide to rocks and minerals of the Centennial State! The book features comprehensive entries for 115 Colorado rocks and minerals, from common rocks to rare finds. …
Get the perfect guide to rocks and minerals in the Great Lake State! Written by Dan R. Lynch and Bob Lynch, Michigan Rocks & Minerals features comprehensive entries for 96 …
Get the perfect guide to rocks and minerals of the Grand Canyon State! The book features comprehensive entries for 106 Arizona rocks and minerals, from common rocks to rare finds. …
Get the perfect guide to rocks and minerals in the Land of 10,000 Lakes! The book features comprehensive entries for 90 Minnesota rocks and minerals, from common rocks to rare …
Beginner or expert, this is your guide to Lake Superior Agates. The book features four pages of photos and facts for every type of agate found in Michigan, Minnesota, Wisconsin and …