Chicago: The Lakeside Press, 1959. First Edition, thus. Hardcover. 16mo; pp; xxxv, (iii), 461 pages including an index and followed by a list of the previously issued Lakeside Classics; illustrated with a frontispiece and six additional plates, including a facsimile title page and a folding map; dark blue cloth covered boards, spine lettered in gilt with a gilt top edge. Very good. Item #19026
Howes B-579 "Most authoritative narrative of fur trading among the Plains Indians of the Upper Missouri of the period."