Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "A Geological Reconnaissance of the Bitterroot and Clearwater Mountains of Idaho and Montana". Unavailable since 1904, this publication offers rare insights into the geology of this region of Idaho and Montana. Included are also details on the numerous gold, silver and copper mines of this region. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.