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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 /> 7772�i. 6. 13 <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 Slope Length <br /> x = 0.0467 <br /> a = 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 /> 8 <br />