| Notes: | Oriented with north to left.
This map was prepared by the Bendix Aerospace Systems Division in conjunction with the Southwestern Illinois Planning Commission. The Illinois Environmental Protection Agency and the Department of Local Government Affairs.
"The preparation of this map was financed in part with Federal funds from the U.S. Environmental Protection Agency under provisions of section 208 of the Federal Water Pollution Control Act Amendments of 1972 (PL 92-500) and with a Comprehensive Planning Grant from the U.S. Department of Housing and Urban Development."
"The land cover categories on this map were derived from computer processing of Landsat II imagery taken from an altitude of 570 miles (920 Kilometers) on July 10, 1976. The smallest map unit is .6 acres in size."
"35."
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