Lake Michigan water quality report, January through December 1977
By: by the City of Chicago, Department of Water and Sewers, Bureau of Water Operations, Division of Water Purification, Water Quality Surveillance Section, and Illinois Environmental Protection Agency, Division of Water Pollution Control.
Contributors: Illinois. Division of Water Pollution Control.
Publisher: The Section
Published: 1978
Place of publication: [Chicago]
Language: eng
Number of pages: 86
Subjects: Water quality -- Michigan, Lake.
Notes: Bibliography: p. 86.
"November 1978."