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Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37) <br /> Bwl -- 30 to 39 inches; red (2.5YR 4/6) extremely gravelly sandy loam, dark red (2.5YR 3/6) <br /> crushed moist; moderate medium angular blocky structure; hard, friable, nonsticky, <br /> nonplastic; few fine to coarse roots; common very fine and fine interstitial pores; 67 percent <br /> subangular sandstone rock fragments; strongly acid; clear wavy boundary. <br /> Bw2 -- 39 to 57 inches; red (2.5YR 5/6) cobbly sandy loam, red (2.5YR 4/6) crushed moist; <br /> moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; common <br /> fine and medium roots; common very fine and fine tubular pores; few faint clay films on faces <br /> of peds and in pores; 75 percent subangular sandstone rock fragments; moderately acid; <br /> clear wavy boundary. <br /> Bw3 -- 57 to 72 inches; red (2.5YR 5/6) extremely cobbly sandy clay loam, red (2.5YR 4/6) <br /> crushed moist; moderate medium subangular blocky structure; very hard, firm, nonsticky, <br /> nonplastic; common faint clay films on faces of peds and in pores; common very fine and fine <br /> and common medium roots; common very fine and fine tubular pores; 75 percent subangular <br /> sandstone rock fragments; strongly acid. <br /> Soil depth to bedrock is greater than 40 inches. The reaction of the soil is medium acid <br /> to neutral. <br /> The A horizon has hue of 10YR or 7.5YR, value of 3 to 5 dry, and 2 or 3 moist, and <br /> chroma of 1 to 4. The texture of the fine earth fraction is loam. The soil has 30 to 65 <br /> percent rock fragments. <br /> The E horizon, where present, has hue of 10YR, value of 6 or 7 dry, and 5 moist, and <br /> chroma of 3 to 4. The texture of the fine earth fraction is sandy loam. The soil has 40 <br /> percent rock fragments. <br /> The Bw horizon has hue of 10YR or 7.5YR, value of 5 or 6 dry, and 3 to 5 moist, and <br /> chroma of 3 to 6. The texture of the fine earth fraction is sandy loam or loam. The soil <br /> has 50 to 80 percent rock fragments. <br /> The C horizon has hue of 10YR, value of 5 to 7 dry, and 3 to 5 moist, and chroma of 4. <br /> The texture of the fine earth fraction is sandy loam. The soil has 75 to 80 percent rock <br /> fragments. <br /> Leadville <br /> A representative pedon of this soil occurs in map unit 467D supporting seral lodgepole <br /> pine/grouse whortleberry on a 10 percent northeast facing backslope at 9,782 feet elevation <br /> located in the SW 1/4, NW 1/4, sec. 14, T. 6 S., R. 81 W., in Eagle County, Colorado: <br /> Oi --2.5 to 1.5 inches; undecomposed conifer needles and twigs; abrupt smooth boundary. <br /> Oe -- 1.5 to 0 inches; partially decomposed conifer needles and twigs; abrupt smooth boundary. <br /> Al -- 0 to 1.5 inches; yellowish brown (10YR 4/4) loam, dark yellowish brown (10YR 3/4) crushed <br /> moist; moderate medium platy structure; very friable, slightly sticky, nonplastic; few medium <br /> and common fine roots; few coarse and common fine tubular pores; strongly acid; 5 percent <br /> pebbles; clear smooth boundary. <br /> A2 -- 1.5 to 7 inches; yellowish brown (10YR 5/4)gravelly silt loam, dark yellowish brown (10YR <br /> 4/4) crushed moist; weak medium subangular blocky structure parting to weak medium <br /> granular; very friable, nonsticky, nonplastic; few coarse and common fine and medium roots; <br /> few coarse and common medium interstitial pores; very strongly acid; 15 percent pebbles; <br /> clear smooth boundary. <br /> E1 -- 7 to 15 inches; pink (7.5YR 7/4)very cobbly silt loam, brown (7.5YR 5/4) crushed moist; <br /> moderate medium subangular blocky structure; very friable, nonsticky, nonplastic; few fine <br /> Exhibit I —Appendix A I-A-13 March 2024 <br />