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• 1 Particle Size Percent Finer <br />2.0000 100.0 <br />1.0000 100.0 <br />0.1000 85.0 <br />0.0500 80.0 <br />0.0020 20.0 <br />0.0001 0.0 <br />The specific gravity of the soil and the submerged bulk specific gravity <br />were estimated based on the reference cited above. Specific gravity and <br />submerged bulk specific gravity were estimated to be 2.5 and 1.25, <br />respectively. <br />Length - Slope Factors (L,S) <br />The slope length (L) and the slope (S) were determined together <br />according to the equation (Barfield et al., 1981): <br />• LS = [ a ]m (430x2 + 30x + 0.43) <br />7'~6 1 <br />where a is slope length, X is sin e , e is slope angle and m is an <br />exponent dependent upon slope given by: <br />slope S 3%; m = 0.3 <br />slope = 4%; m = 0.4 <br />slope >_ 5%; m = 0.5 <br />and x = Stream Elevation Difference <br />e ope engt <br />x = 0.0467 <br />x = 2850 ft. <br />m = 0.5 <br />LS = 2.62 <br />Control Practice Factor (CP) <br />•) The control practice factor (CP) was estimated to be 1.00 for fresh <br />cultivated land with no conservation treatment. (Barfield et al., 1981). <br />B <br />