Phase 1 of the water quality management basin plan for the Ohio River Basin.
APA Citation
Illinois. Environmental Protection Agency. (1976). Phase 1 of the water quality management basin plan for the Ohio River Basin. [Springfield, Ill.?]: State of Illinois, Environmental Protection Agency.
MLA Citation
Illinois. Environmental Protection Agency. Phase 1 of the Water Quality Management Basin Plan for the Ohio River Basin. [Springfield, Ill.?]: State of Illinois, Environmental Protection Agency, 1976.
Warning: These citations may not always be complete (especially for serials).