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. Lawrence, Kan. 1867 ... January 1st, 1867. H.S. Sleeper, Surveyor General Kansas and Nebraska. Entered ... 1862 by Gunn & Mitchell ... Kansas. Krebs & Bro. lith. Pittsburgh, Pa.