Cover image for Clean lakes and us
Title:
Clean lakes and us
Author:
University of Wisconsin--Extension.
Publication Information:
Washington : U. S. Environmental Protection Agency, Office of Water Planning and Standards : for sale by the Supt. of Docs., U. S. Govt. Print. Off., 1979.
Physical Description:
37 pages : illustrations ; 28 cm.
Language:
English
Format :
Book