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- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Dec. 1969 [published 1970]
- SuDoc number:
- I 67.13/4:(nos.)
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Jan. 1970
- SuDoc number:
- I 67.13/4:(nos.)
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- [1970.]
- SuDoc number:
- I 67.13/4:(nos.)
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- July 1969 [published 1970]
- SuDoc number:
- I 67.13/4:(nos.)
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- [1970.]
- SuDoc number:
- EP 2.2:M 68/int.
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Dec. 1969
- SuDoc number:
- EP 2.10:16130 EXT 12/69
- Corporate/Agency Authors:
- Environmental Protection Agency
- Publisher:
- Environmental Protection Agency
- Date:
- Nov. 5, 1969
- SuDoc number:
- I 67.2:W 29/17/969
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Nov. 1969
- SuDoc number:
- I 67.2:C 72/2/pt.1
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Nov. 1969
- Corporate/Agency Authors:
- Water Quality Office and Environmental Protection Agency
- Publisher:
- Water Quality Office
- Date:
- Oct. 1969
- SuDoc number:
- I 67.2:Am 3