Gem Trails of Idaho and Western Montana

This guide is to the Gem State and the western
half of the Big Sky State, Geologist and
best-selling author, Lanny Ream is your
personal guide to 99 of the best collecting
sites in this geographically dramatic and
varied region. From the awe-inspiring
Sawtooth Range to the well-known
Hagerman Fossil Beds you will experience
some of the best sites these states have to
offer. 256 pgs