PCWA-L 467.pdf - PCWA Middle Fork American River Project ...
PCWA-L 467.pdf - PCWA Middle Fork American River Project ...
PCWA-L 467.pdf - PCWA Middle Fork American River Project ...
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126<br />
MEASUREMENT OF STAGE AND DISCHARGE<br />
bottom of the ice. This is done with a bar about 4 ft long (1.2 m), made<br />
of strap steel or wood, which is graduated in feet and tenths of a foot<br />
and has an L-shaped projection at the lower end. The horizontal part<br />
of the L is held on the underside of the ice, and the depth to that point<br />
FIGURE 82.-Measuring equipment set up in a boal
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