Proceedings: second session.
Contributors: United States. Dept. of the Interior.
Publisher: U.S. Dept. of the Interior, Federal Water Pollution Control Administration
Published: 1968
Place of publication: [Washington]
Language: eng
Number of pages: 166
Subjects: Water -- Pollution -- Blackstone River Watershed (Mass. and R.I.); Water -- Pollution -- Massachusetts -- Ten Mile River Watershed.
Notes: Cover title.
Called by the Secretary of the Interior.