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- 74622937 alternative "Rules and regulations for certification of water plant operators ...".
- 74622937 contributor B2555534.
- 74622937 contributor B2555535.
- 74622937 created "1973.".
- 74622937 date "1973".
- 74622937 date "1973.".
- 74622937 dateCopyrighted "1973.".
- 74622937 extent "v, 12 p. ;".
- 74622937 issued "1973".
- 74622937 issued "1973.".
- 74622937 language "eng".
- 74622937 publisher "Bismarck : The Dept.,".
- 74622937 spatial "North Dakota.".
- 74622937 subject "353.9/784/00871".
- 74622937 subject "KFN9046.A433 A2 1973".
- 74622937 subject "Sewage Purification Law and legislation North Dakota.".
- 74622937 subject "Sewage disposal plants Employees Certification North Dakota.".
- 74622937 subject "Water Purification Law and legislation North Dakota.".
- 74622937 subject "Water treatment plants Employees Certification North Dakota.".
- 74622937 title "Rules and regulations for certification of water plant operators, water distribution system operators, wastewater treatment plant operators, and wastewater collection system operators of the State of North Dakota : Regulation 23-26 adopted by North Dakota State Health Council, July 17, 1973 / issued by North Dakota State Department of Health, Aug. 1, 1973 ; prepared under supervision of Environmental Health and Engineering Services.".
- 74622937 type "text".