Gunn & Mitchell's new map of Kansas and the gold mines : embracing all the public surveys up to 1866, principal meridian / compiled from the original field notes by O.B. Gunn & D.T. Mitchell.Gunn, O. B. (Otis Berthoude), 1828-19011866"Entered according to act of Congress in the year 1862 ..."Includes ill., text, and inset of "Routes from the Missouri River to the Kansas gold mines" (scale [ca. 1:3,300,000]).Mounted on linen and without covers.cartographic