Page 278 - Moving the Earth_ The Workbook of Excavation
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PONDS AND EARTH DAMS
6.14 THE WORK
FIGURE 6.10 Digging in streambed—gravity drainage.
trench, flume, or pipe running along a hill slope in the same valley. A large pump may be used to
raise the water into such diversions.
Before arranging to pump out a stream, or building a flume or pipeline to carry it, its volume
of flow should be measured. This may be roughly done by placing a rectangular wood trough or
flume 15 to 20 feet long in the streambed, and packing around the upper end with mud so that all
