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- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- [Feb. 1963, reprinted Nov. 1971.]
- SuDoc number:
- EP 2.8:W 29
- Corporate/Agency Authors:
- Water Programs Operations Office and Environmental Protection Agency
- Publisher:
- Water Programs Operations Office
- Date:
- Oct. 1971
- SuDoc number:
- EP 2.8:H 34
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- June 1971
- SuDoc number:
- EP 2.8:En 8
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- June 1971
- SuDoc number:
- EP 2.2:W 28 and EP 2.8:W 28
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Feb. 1971
- SuDoc number:
- EP 2.8:F 49
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Jan. 1971
- SuDoc number:
- EP 2.8:M 31