1 map : col. ; 64 x 161 cm.; Reprint 1986; 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 28 by 66 inches. 1974 base.