Lake Michigan open water and lake bed survey, 1970.

Bibliographic Details
Corporate Author:	Illinois Environmental Protection Agency
Format:	Book
Language:	English
Published:	[Springfield : s.n.], [publisher not identified] ; 1970.
Subjects:	Water > Pollution > Michigan, Lake.

Description
Item Description:	Cover title.
Physical Description:	iv, 87 pages : illustrations ; 29 cm.