Proceedings
Subtitle: second session, September 11, 1967.
Contributors: United States. Federal Water Pollution Control Administration.
Publisher: U.S. Dept. of Interior, Federal Water Pollution Control Administration
Published: 1967
Place of publication: [Washington]
Language: eng
Subjects: Water -- Pollution -- Calumet Region (Ill. and Ind.) -- Congresses.; Sewage disposal -- Calumet Region (Ill. and Ind.) -- Congresses.; Water quality -- Calumet Region (Ill. and Ind.) -- Congresses.