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Changes in water quality resulting from impoundment
1971
Duffer, William R. | Harlin, Curtis C.
Heat shrinkable tubing as sewer pipe joints
1971
The river basin model: municipal services department
1971
The river basin model: social sector | Basin model: social sector
1971
The River Basin Model is not primarily a water management model. Through human interaction and computer simulation, it represents the entire complex economic, social, and governmental activities taking place within a specified local system. The manual contains the basic information and description of the model required by the social sector. It is assumed that the Model Overview and the Scenario descriptions have been read prior to the receipt of this manual. Once the players comprising the Social Sector have become familiar with the model in general, the particular city being represented, and the workings of the local economic, social, and government system they will be able to bring their own imagination and initiative to bear on the operation of the Social Sector and the population groups they represent.
Afficher plus [+] Moins [-]Closed system waste management for livestock
1971
Ngoddy, Patrick O.
Reduction of salt content of food processing liquid waste effluent
1971
Mercer, Walter A. | Ralls, Jack W.
Inorganic fertilizer and phosphate mining industries--water pollution and control
1971
Complete mix activated sludge treatment of citrus process wastes
1971
