Economic impact of proposed amendments to water pollution regulations, R77-12, docket A /
by Harza Engineering Company ; project officer, Ernest L. Hardin, jr.

APA Citation

Harza Engineering Company., Hardin, E. L. (1978). Economic impact of proposed amendments to water pollution regulations, R77-12, docket A. Chicago: State of Illinois, Institute for Environmental Quality.

MLA Citation

Harza Engineering Company, and Ernest L Hardin. Economic Impact of Proposed Amendments to Water Pollution Regulations, R77-12, Docket A. Chicago: State of Illinois, Institute for Environmental Quality, 1978.