col. map 153 x 107 cm. fold. in envelope 30 x 24 cm.; Reprint 1985; 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, railroads, and township and range lines in black; water features in blue; hydrologic boundaries and codes in red; county codes in green. No contours. Sheet 45 by 65 inches. 1974 base.