Blue line print. "Date of mapping April 1976, date revised February 1980"--Sheet 2.
Imprint: [Bloomington, Ind.?] : [Publisher not identified], [198-?]
Dimensions: 127 x 149 cm, on sheets 138 x 107 cm and 135 x 108 cm; Scale: 1:12,000
Coordinates: W0863532 W0862816 N0391315 N0390716