(Inside covers to) Thayer's map of Colorado. Published by H.L. Thayer, Denver, Col. 1882. Note. From surveys of the General Land Office, used by permission, revised & corrected to date by the publisher. Photo lith. & print. by Julius Bien & Co., 16 & 18 Park Place, N.Y.

Inside front cover. Ads for Thayer's maps on the inside front cover, including the large GLO U.S. map ("the best United States map ever offered to the public")
Ellis 90.