2024-05-17_REVISION - M1977493 ‎(3)‎

• Permit No: M1977493
• IBM Index Class Name: Revision
• Doc Date: 5/17/2024
• Doc Name: Exhibit I - Soil Information
• From: Climax
• To: DRMS
• Type & Sequence: TR37
• Email Name: TJ1
• Media Type: D
• Archive: No

Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37)
R - 15 inches; very hard gneiss bedrock.
SOIL PROPERTIES AND QUALITIES
Scout
Landform:
Parent Material:
Effective rooting depth: greater than 20 inches.
Natural drainage class: somewhat excessively.
Depth to seasonal high water table: greater than 6 feet.
Available water capacity: low.
Permeability: moderately rapid.
Runoff: moderate.
Leadville
Landform:
Parent Material:
Effective rooting depth: greater than 20 inches.
Natural drainage class: well.
Available water capacity: moderate.
Permeability: moderate.
Runoff: moderate.
VEGETATION
Potential natural communities:
Scout: subalpine fir-/Rocky Mountain whortleberry (Abla-Pien/Vamy2) and subalpine fir-
Engelmann spruce/heartleaf arnica (Abla-Pien/Arco9) and subalpine fir-Engelmann
spruce/common juniper (Abla-Pien/Juco) south slopes.
Leadville: subalpine fir-Engelmann spruce/Rocky Mountain whortleberry (Abla-Pien/Vamy2)
and subalpine fir-Engelmann spruce/heartleaf arnica (Abla-Pien/Arco9) and subalpine fir-
Engelmann spruce/common juniper (Abla-Pien/Juco) south slopes.
USE AND MANAGEMENT CONSIDERATIONS
Major uses: timber harvest, livestock grazing, dispersed motorized and non-motorized activities,
wildlife habitat and watershed.
Mass movement potential:
Landslides: low.
Debris flows: low.
Snow avalanche: low.
Road and trail limitations:
Cut and fill slope stability
Scout: slight.
Leadville: slight.
Improved unsurfaced roads:
Scout: slight.
Leadville: slight.
Offroad vehicle roads and trails:
Scout: slight.
Leadville: slight.
Foot trails and paths:
Scout: slight.
Leadville: slight.
Revegetation Limitations:
Scout: moderate - low available water capacity.
Leadville: slight.
Exhibit I —Appendix A I-A-15 March 2024