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When water is the dominant erosional agent, and rills and/or <br />• gullies are absent, the factors are given a value of zero, but <br />are included in the calculation of the composite value for degree <br />of erosional activity (see Figure 2). <br />• <br />Figure 2. Site With No Rills or Gullies. SSP value of S0. Soil <br />movement is recent with deposits around most obstacles <br />between .4 and .8 inches from defined flow patterns on <br />about 30 percent of area; surface litter movement occurs <br />on less than 25 percent of area; surface rock fragments <br />have soil movement and deposition of .2 co .4 inch; _ _ <br />pedestals are about 1 inch high with a frequency of 7 to ~ ~~ <br />10 per 100 square feet. No rills or gullies are observed <br />but are potentially present. <br />• <br />16 <br />