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- [4] AN ACTIVATED SLUDGE PLANT FOR ORO LOMA SANITARY DISTRICT, CALIF WATER & WASTES ENGINEERING, 1969, 6 (09): : 72 - &
- [5] Motor management solves water district's pump reliability problem WATER-ENGINEERING & MANAGEMENT, 1997, 144 (12): : 10 - 11
- [7] DISTRICT SUPERVISOR SOLVES HIS FORAGE PROBLEM AND GETS A CUSTOM BUSINESS - DAVIS,J SOIL CONSERVATION, 1968, 33 (11): : 257 - &
- [10] SUBSURFACE INJECTION SOLVES SLUDGE PROBLEMS WATER & WASTES ENGINEERING, 1976, 13 (09): : 46 - &