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- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- July 1969
- SuDoc number:
- I 67.2:D 84
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- June 1969
- SuDoc number:
- I 67.2:An 5/2 d comp.
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- June 1969
- SuDoc number:
- I 67.2:J 23/v.2
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- June 1969
- SuDoc number:
- I 67.2:J 23/v.1
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- June 1969
- SuDoc number:
- I 67.2:So 8/10
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- May 1969
- SuDoc number:
- I 67.2:Sa 4
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- Apr. 1969
- SuDoc number:
- I 67.2:Or 8
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- Apr. 1969
- SuDoc number:
- I 67.2:P 43
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Apr. 1969
- SuDoc number:
- I 67.2:F 61
- Corporate/Agency Authors:
- Water Programs Office and Environmental Protection Agency
- Publisher:
- Water Programs Office
- Date:
- Apr. 1969
- SuDoc number:
- I 67.2:C 71/4/tech.app.