1 map : col. ; 95 x 136 cm. fold. in envelope 30 x 24 cm.; 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 41 by 56 inches.