The must-have accompaniment to the Gem Trials series has been revised, updated and expanded. Now pinpointing over 1,300 collection sites for 12 wester stats using precise GPS cordinates. All the best sites from Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming and new added Texas are included. Easy-to-user format includes sites maps, location photos and a state-by-state overview. 240pages.

More books that help you find the best collecting locations in a state and the maps to get you there.