The cost digest : cost summaries of selected environmental control technologies /

Mode of access: Internet.

Environmental technology : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, first session, February 23, 1993.

Shipping list no.: 93-0302-P.

Assessment of environmental impact of the mineral mining industry /

Mode of access: Internet.

Project report on utilizing extension service in land-grant universities as a technology transfer system for environmental affairs /

Prepared for National Science Foundation.

The role of the city in environmental management /

Includes bibliographical references.

The role of the city in environmental management /

"September 1992."

Review of research in visual and environmental education.

Mode of access: Internet.

"Environmental restoration suceeds" : Rocky Mountain Arsenal.

Mode of access: Internet.

Environmental control seminar proceedings, Rotterdam, Warsaw, Bucharest, May 25-June 4, 1971.

"A United States Department of Commerce publication."