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Another stabilization technique which serves to minimize erosion is contour furrowing. Disturbed land within the <br />proposed permit area will be contour fiurowed following seeding. Atypical cross section of a contour furrow is <br />depicted in Figure 12, Design of Typical Contour Furrow. According to data derived from studies at the Energy <br />Mine No. 1, the water detention capacity of these furrows, when spaced thirty feet apart, is 2,599.7 cubic feet per <br />acre. <br /> <br /> <br />MR07-224 2.05 -106.2 10/17/07 <br />