1968 surveys of Lake Michigan open water quality and lakebed
Subtitle: report to the Governor and 76th General Assembly.
Contributors: Illinois. Dept. of Public Health.
Published: 1969
Place of publication: [Springfield]
Language: eng
Number of pages: 36
Subjects: Water quality -- Michigan, Lake.; Water -- Pollution -- Michigan, Lake.
Notes: Bibliography: p. 25.
Prepared in cooperation with Illinois Dept. of Public Health.