Denver: Old West Publishing Company, (1973). First revised edition. Hardcover. Original blue cloth, octavo (6.75 x 9.75 inches), pp xiii, 359. Frontispiece and 10 b/w plates, double-page map. Bit of spotting to fore-edge, else a very good copy, quite clean and unworn, in moderately edgeworn dustjacket. Very good / good. Item #20531
Originally published in 1931 as the first book from the "Old West Publishing Co.", this revised edition incorporates new findings in the history of the fur trade period.