Book excerpt: For mineral enthusiasts or family vacationers, this unique guide is a treasure trove of interesting sites to see and things to do related to rocks and minerals, gemstones, crystals, fossils, gold and other treasures. Covers 31 eastern states--north, south and mid-west. Fee Mining sites for rockhounds, museums, cave and cavern tours, historic and natural points of interest. Includes maps, contacts, facility info. and equipment needed. 270 total sites to visit.