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- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- May 1968
- SuDoc number:
- I 67.2:Ox 3
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- May 1968
- SuDoc number:
- I 67.2:So 8/9
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- May 1968
- SuDoc number:
- I 67.2:Sa 5
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- May 1968
- SuDoc number:
- I 67.2:Ui 5
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Apr. 1968
- SuDoc number:
- I 67.2:D 54
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- Apr. 1, 1968
- SuDoc number:
- I 67.2:W 29/3
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- Mar. 1968
- SuDoc number:
- I 67.2:So 3/pt.1
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- Mar. 1968
- SuDoc number:
- I 67.2:Sa 5m
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- [Reprinted Feb. 1968.]
- SuDoc number:
- I 67.2:B 63
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- Feb. 1968
- SuDoc number:
- I 67.2:V 81