Wastewater treatment plant operator training course one (with visual aids) /
Wastewater treatment plant operator training course one (with visual aids) /
prepared by the Committee on Personnel Advancement
- Washington, D.C. : Water Pollution Control Federation, 1966
- 47 p. : ill.
- WPCF publication ; no. 13 .
- Water Pollution Control Federation. WPCF publication ; no. 13 .
Sewage disposal plants
TD420 / W35 no.13
Sewage disposal plants
TD420 / W35 no.13

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