National accomplishments in pollution control, 1970-1980 : some case histories / prepared by the Office of Planning and Evaluation, in cooperation with the regional offices, the Office of Public Awareness, and the Audio Visual Support Branch.
Imprint
Washington, D.C. : U.S. Environmental Protection Agency, Office of Planning and Management, Program Evaluation Division : [Supt. of Docs., U.S. G.P.O., distributor], 1980.