1 map : col. ; 101 x 69 cm.; Reprint 1980; An overprint of the 1:500,000-scale state base map. Shows counties, location and names of all cities and towns and most of the smaller settlements, and railroads in black; water features in blue; hydrologic boundaries and codes in red; county codes in green. No contours. Sheet 30 by 44 inches. 1958 base.