2008-07-14_PERMIT FILE - M2008050

• Permit No: M2008050
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/14/2008
• Doc Name: New 110d Application
• From: Nuvemco, LLC
• To: DRMS
• Email Name: GRM
• Media Type: D
• Archive: No

October Ore Pile Reclamation Exhibit B
110(d) Limited Impact Permit Application
Nuvemco LLC
Description of Beie:
Setting:
Landform: mesas
Landform position (two-dimensional): summit
Down-slope shape: convex
Across-slope shape: linear
Parent material: residuum weathered from sandstone
Properties and Qualities:
Slope: 3 to 12 percent
Depth to restrictive feature: 10 to 20 inches to lithic bedrock
Drainage class: well drained
Capacity of the most limiting layer to transmit water (Ksat): moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: more than 80 inches
Frequency in flooding: none
Frequency in ponding: none
Available water capacity: very low (about 2.6 inches)
Interpretive Groups:
Land capability (not irrigated): 6s
Ecological site: Loamy Foothills (RA48AY284CO)
Other vegetable classification: Loamy Foothills (RA48AY284CO)
Typical Profile:
0 to 7 inches: fine sandy loam
7 to 17 inches: sandy clay loam
17 to 21 inches: unweathered bedrock
6.3.2 Exhibit B - Site Descriptions (continued)
6.3.2 (b) Man-made structures
There are no man-made structures within 200 feet of the October Ore Pile
which will be reclaimed pursuant to this permit application.
6.3.2 (c) Water resources
The October Ore Pile Reclamation site is located on the northeast trending nose of a
high mesa separating John Brown Canyon and Cave Canyon. The ore pile rests on a
bench at an elevation of about 6800 feet adjacent to an existing mine road.
Steep swales to the north and south of the ore pile drain southeasterly to the ephemeral
drainage in the bottom of Cave Canyon approximately 600 feet below the ore pile.
Streamflow in Cave Canyon normally occurs only in the spring in response to snowmelt
and as a result of major storm events, which occasionally occur in the summer or early
autumn. Cave Creek drains to the northeast more than two miles to its confluence with
the Dolores River, a major perennial, northwesterly-flowing tributary of the Colorado
River.
The water quality of the Dolores River varies considerably on a seasonal basis because
of fluctuations in runoff and in the volume of brine water entering the river as it passes
through Paradox Valley above Cave Canyon. From 1971 to 1976, concentrations of
TDS in water samples collected from the Dolores River just above the confluence with
the San Miguel River were greater than 12,000 mg/L. The primary constituents included
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