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Table 4

Table 4

31 Dec 99

Table 4. Reservoir Sedimentation Status in 1980s Large-sized reservoirs Medium-sized reservoirs Small-sized reservoirs Total Total storage volume(108m3) 97.53 39.61 67.91

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Table 2

Table 2

31 Dec 99

Table 2: Main operating data of the pump turbine Turbine type: reversible Francis pump turbine, single-flow, single-stage, vertical Rated speed:

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Table 1

Table 1

31 Dec 99

The Environment Agency’s hydro power potential Site Net head Design flow rate Max power Annual energy Allington Lock 3.8-4.5m 11m3/sec

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Table 7

Table 7

31 Dec 99

Table 7: Stability Analysis Summary for Lower Lake Aetna Dam Type Scenario FS Sliding Resultant Usual Normal Operation 14 Middle

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Table 1

Table 1

31 Dec 99

Table 1. Data from gauging stations on unregulated streams in Clackamas County. Creek Name River Mile Drainage Area (square mi)

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