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Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37) <br /> Mass movement potential: <br /> Landslides: moderate. <br /> Debris flows: moderate. <br /> Snow avalanche: moderate. <br /> Sediment delivery efficiency: high. <br /> Road and trail limitations: <br /> Cut and fill slope stability <br /> Moran: severe-slope and sandy materials. <br /> Rock outcrop: slight. <br /> Teewinot: slight. <br /> Improved unsurfaced roads: <br /> Moran: severe-slope. <br /> Rock outcrop: severe- slope. <br /> Teewinot: severe- slope. <br /> Offroad vehicle roads and trails: <br /> Moran: severe-slope and erosion hazard. <br /> Rock outcrop: severe- cliffs and talus. <br /> Teewinot: severe- slope and erosion hazard. <br /> Foot trails and paths: <br /> Moran: moderate-slope. <br /> Rock outcrop: severe- cliffs and talus. <br /> Teewinot: moderate- slope. <br /> Revegetation limitations: <br /> Moran: severe-slope, short growing season, low available water capacity, and low inherent <br /> fertility. <br /> Rock outcrop: severe- bedrock. <br /> Teewinot: severe- slope, shallow depth to bedrock, short growing season, low available water <br /> capacity, and low inherent fertility. <br /> Revegetation considerations: Cold tolerant plants are required to survive alpine climate. <br /> Mulch or similar treatment will protect the soil from erosion, help conserve soil moisture, and <br /> protect emerging plant seedlings. <br /> Wildlife management considerations: This map unit provides food and limited shelter during <br /> summer months. <br /> Other management considerations: Management activities are limited by cold climate, steep <br /> slopes, rock outcrop, and erosion hazard. Alpine plant associations vary from area to area and <br /> are controlled by microsite conditions. This diversity of plant associations creates a relatively <br /> high degree of biodiversity on steep alpine slopes. <br /> Acid precipitation buffering capacity: low. <br /> Exhibit I —Appendix A I-A-26 March 2024 <br />