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±~ <br />y <br />inches) would yield 1.04 acre feet. Runoff from <br />thunderstorms typically lasting less than one hour would <br />be much greater than these amounts because of the <br />precipitation intensity. Pond 2 has a capacity at the <br />principal spillway inlet of 14 acre feet, and computed <br />sediment inflow is small (4 tons for the 10-year, 24-hour <br />event). Also, runoff should be greater when the area is <br />grazed because the cover would be somewhat less than at <br />present. <br />If you should have any questions regarding this matter, you may <br />contact Lynn Shown, Chief, Hydrology Sugport Section at FTS <br />564-3117. <br />`~ <br />ymond L. Lowrie <br /> <br />