Water quality in the Calumet area
Subtitle: Conference on Pollution of Lower Lake Michigan, Calumet River, Grand Calumet River, Little Calumet River, and Wolf Lake, Illinois and Indiana.
Published: 1970
Place of publication: [n.p.]
Language: eng
Number of pages: 131
Subjects: Water quality -- Calumet Region (Ill. and Ind.); Water -- Pollution -- Calumet Region (Ill. and Ind.)