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results of field observations and the best ~udEcment of <br />the writer. <br />The range of values ahown in Table 5 represent at the <br />lower extr°:~e the estimated runoff during most years <br />when a significant part of the runoff is retained i.. <br />the many resrvoirs and lest .to evapotranspi.^ation. The <br />larger value represents the upper limit of what might <br />be expected for annual runoff and peak discharge should <br />the reservoirs be full and exert minimal effect on <br />runoff. <br />In either event, the ccmputed values clearly show that <br />total runoff from the proposed lease tracts probably <br />• would not greatly exceed 100 acre-feet annually and <br />that peak discharges are modest and should present no <br />serious flooding problems. Field observations shox no <br />indication of high discharges in any of the stream <br />channels that traverse the proposed lease areas. <br />4. Eroaion and Sedimentation <br />Field observations shox that tracts C-22644 and C-25913 <br />are generally stable and characterized by minimal up- <br />land and channel erosion. This stability is attributed <br />to a combination of good soils, a good to excellent <br />plant cover on all but the steepest slopes, and mod- <br />erate grazing use. Most valley bottoms are obviously <br /> <br />46 <br />