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- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:C 71/6
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:N 81 d/971
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:M 76
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:C 52
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:N 27
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Sept. 1970
- SuDoc number:
- I 67.2:B 65/2
- Corporate/Agency Authors:
- Federal Water Quality Administration and Environmental Protection Agency
- Publisher:
- Federal Water Quality Administration
- Date:
- Aug. 24, 1970
- SuDoc number:
- I 67.2:St 2/970
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Aug. 1970
- SuDoc number:
- I 67.2:R 73
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Aug. 1970
- SuDoc number:
- I 67.2:C 77
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Aug. 1970
- SuDoc number:
- I 67.2:N 42 h