Proceedings.
Contributors: United States. Dept. of Health, Education, and Welfare.
Publisher: U.S. Dept. of Health, Education, and Welfare
Published: 1966
Place of publication: [Washington]
Language: eng
Number of pages: 1606
Subjects: Water -- Pollution -- Congresses.; Sewage disposal -- Calumet Region -- Congresses.
Genres: Congresses.
Notes: Cover title.