Impacts of airborne pollutants on wilderness areas along the Minnesota-Ontario border /

Mode of access: Internet.

Effects of liquid detergent plant effluent on the rotating biological contactor /

Mode of access: Internet.

Heat dispersion in physical estuarine models : report 2, experiments in the Delaware River model, report 2 of a series /

Prepared for Office, Chief of Engineers, U.S. Army, Washington, D.C.

Responses of stream invertebrates to an ashpit effluent : Wisconsin power plant impact study /

"August 1980."

Characteristics of lakes in the western United States /

"EPA/600/3-86/054."

Ecological changes associated with the industrialization of Cedar Bayou and Trinity Bay, Texas /

Mode of access: Internet.

Analysis of the sulfur content of Illinois streams, with emphasis on contributions from the atmosphere /

Cover title.

AERP status.

Mode of access: Internet.

Biological impact caused by changes on a tropical reef /

Mode of access: Internet.

Eastern lake survey-phase II : national stream survey-phase I : processing laboratory operations report.

Mode of access: Internet.

Research needs on waste heat transfer from large sources into the environment. --

"A report on a conference at Zion, Illinois, which was supported by the Research Applications Directorate of the National Science Foundations, grant GI-30971".

Pollution of navigable waters : hearings before the Committee on Rivers and Harbors, House of Representatives, seventy-first Congress, second session on H.R. 10625, a bill to amend the Oil pollution act of 1924.

"Part 1, May 2, 3, and 26, 1930."