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• 4.06.5 Reconditionine <br />Topsoil quality at Colowyo is excellent in terms of providing a suitable plant growth medium <br />capable of supporting the approved post-mining land use and the revegetation requirements <br />of Section 4.15. Soil testing has not indicated any deficiencies. Refer to Volume 3, Exhibit <br />10, Establishment of Native Shrubs on Disturbed Lands in the Mountain Shrub Vegetation <br />Type. This study was conducted on the Colowyo Mine July 1975 through December 1979. <br />Colowyo has the option to apply 50-70 pounds of phosphorus per acre to all safely accessible <br />reclaimed mine areas prior to chiseling and seeding. <br /> <br />• <br />4.06-4 Revision Date: 11/02/05 <br />Revision No.: TR-62 <br />