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(b) Maximum gradient of reclaimed slopes <br /> • Slopes can exceed 3:1 horizontal to vertical angles due to this being mountainous terrain. <br /> Terrain is Forestry and will remain for Forestry use after post-mining operations. Areas of <br /> disturbance reclaimed, hydromulched using recommended seed mixtures then utilized as a <br /> fire break. Due to angles it may be required to also utilize erosion nets in a few limited <br /> areas as best practice. Material for erosion control is Jute Netting and secured by non- <br /> treated wooden stakes or equivalent. According to a manufacturer: Jute Net is fully <br /> biodegradable in 2 to 3 years depending on soil and weather conditions. <br /> • Information acquired from U.S.D.A. Soil Survey website: <br /> o Bullwark family and similar soils: 50 percent <br /> o Catamount family and similar soils: 25 percent <br /> o Rock outcrop: 15 percent <br /> o 0— 1 inches: slightly decomposed plant material <br /> o 0 to 6 inches: very stony sandy loam <br /> o 6 to 11 inches: extremely stony sandy loam <br /> o 11 to 17 inches: extremely stony sandy loam <br /> o 17 to 26 inches: bedrock <br /> Teton Drilling Inc. <br /> Dixie Mine-Clear Creek County,CO <br /> Updated Revisions—March 12,2016 <br /> Page 112 <br />