An intensive survey of Rock River tributaries, 1985.

APA Citation

Illinois. Division of Water Pollution Control., Illinois. Environmental Protection Agency. (1988). An intensive survey of Rock River tributaries, 1985. [Springfield, Ill.]: Illinois Environmental Protection Agency, Division of Water Pollution Control.

MLA Citation

Illinois. Division of Water Pollution Control, and Illinois. Environmental Protection Agency. An Intensive Survey of Rock River Tributaries, 1985. [Springfield, Ill.]: Illinois Environmental Protection Agency, Division of Water Pollution Control, 1988.