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- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- June, 1969
- SuDoc number:
- I 67.2:B 64
- Corporate/Agency Authors:
- Federal Water Quality Administration and Interior Dept.
- Publisher:
- Federal Water Quality Administration
- Date:
- June 1969
- SuDoc number:
- I 67.19:(nos.)
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- June 1969
- SuDoc number:
- I 67.13/13:(nos.)
- Corporate/Agency Authors:
- Federal Water Quality Administration and Interior Dept.
- Publisher:
- Federal Water Quality Administration
- Date:
- June 1969
- SuDoc number:
- I 67.13/4:(nos.)
- Corporate/Agency Authors:
- Land Management Bureau and Interior Dept.
- Publisher:
- Land Management Bureau
- Date:
- June 1969
- SuDoc number:
- I 53.17:Ec 7
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- May 19, 1969
- SuDoc number:
- I 29.2:Ir 4
- Corporate/Agency Authors:
- Coal Research Office and Interior Dept.
- Publisher:
- Coal Research Office
- Date:
- May 9, 1969
- SuDoc number:
- I 63.10:(nos.)
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- May 1969
- SuDoc number:
- I 29.2:C 76/3
- Corporate/Agency Authors:
- Federal Water Pollution Control Administration and Interior Dept.
- Publisher:
- Federal Water Pollution Control Administration
- Date:
- [May 1969.]
- SuDoc number:
- I 67.2:P 56/5
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- May. 1969
- SuDoc number:
- I 19.16:(nos.)