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Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37) <br /> Rock outcrop <br /> No soil is associated with this inclusion. Limited by steepness, and surface roughness that <br /> includes loose rock and rock outcrop exposures. <br /> Teewinot <br /> A representative pedon of this soil occurs on a 38 percent northeast facing slope at 11,680 feet <br /> elevation located in the SW 1/4, NW 1/4, sec. 5 , T. 8 S., R. 89 W., in Eagle County, Colorado <br /> supporting a kobresia/golden avens plant association. <br /> Al -- 0 to 7 inches; (10YR 5/2)very stony loam, (10YR 3/2) moist; weak fine subangular blocky <br /> structure parting to weak fine granular; very friable, nonsticky, nonplastic; many fine and very <br /> fine and few medium roots; many fine interstitial pores; 45 percent subangular sandstone <br /> rock fragments; moderately acid; clear smooth boundary. <br /> Bw-- 7 to 16 inches; (5YR 7/4)very cobbly sandy clay loam, (5YR 5/4) moist; moderate fine and <br /> medium subangular blocky structure; friable, nonsticky, nonplastic; common fine and very <br /> fine roots; many fine and very fine interstitial pores; 57 percent subangular sandstone rock <br /> fragments; moderately acid; abrupt smooth boundary. <br /> R-- 16 inches; hard red sandstone bedrock. <br /> Leighcan <br /> A representative pedon of this soil is located in the SW 1/4, SE 1/4, sec. 32, T. 5 S., R. 76 W., in <br /> Clear Creek County, Colorado. The Leighcan Series is classified as loamy-skeletal, mixed <br /> Dystric Cryochrepts. <br /> Oi --2 1/2 to 1 1/2 inches; slightly decomposed conifer litter consisting of needles, twigs, moss, <br /> and remains of understory plants. <br /> Oe -- 1 1/2 to 0 inches; partially decomposed litter (duff). <br /> A-- 0 to 1 inch; very dark grayish brown (10YR 3/2) very stony loam; weak medium subangular <br /> blocky parting to fine granular structure; soft, very friable, slightly sticky, non-plastic; common <br /> fine, medium, and coarse roots; many fine interstitial pores; 5 percent gravel, 10 percent <br /> cobble, 25 percent stone; medium acid (pH 5.6); clear smooth boundary. <br /> E1 -- 1 to 7 inches; dark brown (10YR 4/3) very stony sandy loam; weak fine and medium <br /> subangular blocky structure; soft, very friable, non-sticky, non-plastic; many very fine and <br /> medium, common coarse roots; many fine interstitial pores; 20 percent gravel, 20 percent <br /> cobble, 10 percent stone; strongly acid (pH 5.2); clear smooth boundary. <br /> E2 -- 7 to 12 inches; brown (10YR 5/3) extremely cobbly sandy loam; weak fine granular <br /> structure; soft, very friable, non-sticky, non-plastic; many very fine, common medium, few <br /> coarse roots; many fine interstitial pores; 30 percent gravel, 25 percent cobble, 10 percent <br /> stone; strongly acid (pH 5.2); clear wavy boundary. <br /> Bwl -- 12 to 32 inches; dark yellowish brown (10YR 4/4) extremely cobbly sandy loam; weak fine <br /> subangular blocky structure; soft, very friable, non-sticky, non-plastic; few fine and medium <br /> roots; many fine interstitial, common fine tubular pores; 30 percent gravel, 40 percent cobble, <br /> 5 percent stone; strongly acid (pH 5.2); clear wavy boundary. <br /> Bw2 -- 32 to 50 inches; yellowish brown (10YR 5/4) extremely stony sandy loam; moderate fine <br /> and medium subangular blocky structure; soft, very friable, non-sticky, non-plastic; few fine <br /> Exhibit I —Appendix A I-A-21 March 2024 <br />