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Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37) <br /> SOIL PROPERTIES AND QUALITIES <br /> Leadville <br /> Landform: Lateral moraines and mountain slopes. <br /> Parent Material: Glacial till and colluvium from mixed sedimentary rock sources. <br /> Effective rooting depth: greater than 60 inches. <br /> Natural drainage class: well. <br /> Depth to bedrock: greater than 6 feet. <br /> Available water capacity: moderate. <br /> Permeability: moderate. <br /> Runoff. moderate. <br /> VEGETATION <br /> Potential natural communities: <br /> Leadville: subalpine fir-Engelmann spruce/Rocky Mountain whortleberry (Abla-Pien/Vamy2) <br /> below 11,000 feet and subalpine fir-Engelmann spruce/grouse whortleberry (Abla-Pien/Vasc) <br /> above 11,000 feet. <br /> USE AND MANAGEMENT CONSIDERATIONS <br /> Major uses: timber harvest, limited livestock grazing, wildlife habitat, developed and dispersed <br /> motorized and non-motorized recreation and watershed. <br /> Mass movement potential: <br /> Landslides: low. <br /> Debris flows: low. <br /> Snow avalanche: low. <br /> Road and trail limitations: <br /> Cut and fill slope stability <br /> Leadville: slight. <br /> Improved unsurfaced roads: <br /> Leadville: slight. <br /> Offroad vehicle roads and trails: <br /> Leadville: moderate -cobbles and stones. <br /> Foot trails and paths: <br /> Leadville: slight. <br /> Revegetation Limitations: <br /> Leadville: low to moderate -cobbles and stones. <br /> Revegetation Considerations:The broad elevational zone of this unit requires on-site visits to <br /> best select plant species suitable for potential site. <br /> Timber Management Considerations: Inclusions of Cryaquolls soil (hydric soil) is typical in this <br /> unit and may require buffer zones to protect wetlands. <br /> Wildlife Management Considerations: This map unit provides shelter for upland game <br /> animals. <br /> Acid precipitation buffering capacity: moderate. <br /> Exhibit I —Appendix A I-A-5 March 2024 <br />