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.~ <br />The Rockcastle Company has established a fertilization plan and will <br />continue to follow this plan for the remainder of the mine life. The <br />Rockcastle Company will fertilize all retopsoiled areas with mono <br />ammonium phosphate (100 lb/acre) and ammonium nitrate 34-0-0 (200 lb/acre). <br />Both these products are obtained from Hayden Grain Company and are produced <br />by Co-op. These are standard fertilizers used by farmers and ranchers <br />in the area. <br />The Rockcastle Company will use both preventive and remedial actions <br />to control rills and gullies at the Grassy Gap Coal Mine. To prevent <br />formation (and/or reoccurence) of rills and gullies, The Rockcastle <br />Company will install a series of contour furrows along reclaimed surfaces <br />to slow the velocity of runoff. On particularly steep slopes or areas where <br />rill and gully formation is known to be a problem, The Rockcastle Company <br />will use a combination of contour furrows and diversion ditches to divert <br />runoff away from the problem area. <br />When excessive rills and gullies are observed, The Rockcastle Company <br />will stablize them by filling, compacting where appropriate, and re- <br />seeding. Where necessary to allow for stabilization, diversion ditches <br />will be constructed above the eroded areas. <br />~l <br />~~. <br />2-85 <br />• <br />IV-15a <br /> <br />