Proceedings: second meeting of the second session (reconvened) Duluth, Minnesota, January 14-15, 1971.
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| Corporate Authors: | , |
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| Format: | Government Document Conference Proceeding Book |
| Language: | English |
| Published: |
[Washington] :
Environmental Protection Agency, Water Quality Office,
[1971]
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| Subjects: |
| Item Description: | Cover title. |
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| Physical Description: | 2 volumes (xix, 401 pages) : illustrations ; 28 cm |