The River Runs North, A Story of Montana Moss Agate
The genesis of Montana moss agate is a fascinating story of the discovery and history of the geologic and societal makeup of Yellowstone River country. This book, by noted Montana agate expert, Tom Harmon, is the most comprehensive book about Montana moss agate.
Within the more than 250 color photos showcased in this 112-page reference, are specimens of Montana moss agate from some of the finest known collections.