Lars W. Johnson was born and raised in the northwest, and has been an avid rockhound since his childhood. He currently owns a rock shop in Portland, Oregon, and runs the blog Two Rockhounds with his wife Amber Lee.
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Go on an outdoor treasure hunt and enjoy all nature has to offer with this field guide to rockhounding, perfect for armchair geologists or anyone headed out on an adventure! Geology meets treasure hunting with this field guide to rockhounding! If y... SEE MORE