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GENERAL33911
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Last modified
8/24/2016 7:55:39 PM
Creation date
11/23/2007 7:46:05 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1986076
IBM Index Class Name
General Documents
Doc Name
LA PLATA CNTY PLANNING SERVICES AGENCY REQUEST FOR COMMENT
Media Type
D
Archive
No
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DGMC, PO BOX 96, H~ERUS, CO 81326 NARR~VE page 4 <br />Reclamation of all the historic area of the Incas Mine is not required by mining law. <br />But in order to improve the visual aspects of the area and to improve the wildlife <br />habitat, all disturbed areas of the Incas Mine will be reclaimed in coordination with <br />mining activities. This is not only beneficial to the wildlife but also will improve <br />the orderly progression of mining activities. Phased reclamation activities reduce <br />required reclamation bonding and also allows for a more even distribution of work <br />requirements. Delaying reclamation to after productive mining has ceased creates <br />cost overheads not readily predicted for long term future reclamation activity. All <br />reclamation plans, bonding, and inspection are under the control of the Colorado <br />Mined Land Reclamation Board and are public record. All of the mining activity is <br />conducted under the Mine Permit #M86-076 as amended. <br />Mine subsidence exists in some of the old underground workings. This subsidence <br />will be eliminated by the combination of surface, underground mining, and <br />reclamation methods. This will make the terrain safer when reclaimed to contours <br />similar to surrounding terrain. <br />There are no geological hazards or avalanche chutes on the mine property per the <br />maps on file in the county building permit office. The minesite is not within a <br />designated wildlife habitat area per the maps on file in the county building permit <br />offices. The minesite is not located on any critical lands such as floodplain, <br />floodway, riparian areas, wetlands, or airport safety zone. The mine location on <br />top of Ohwiler Ridge eliminates the possibility of critical land interference. The <br />nearest stream is in Little Deadwood Gulch which the jeep trail access follows in <br />climbing to the minesite. This stream does not supply water to the La Plata River <br />on a continuous basis. During the summer months, the water from Little <br />Deadwood Gulch is all adsorbed by the ground strata and does not surface flow <br />into the La Plata River. <br />The water source for the processing plant will be water from inside the <br />underground portion of the mining operation, C.R.S. 34-50-106. There is a <br />continuous seepage of water from old underground mining operations. This water <br />is not acidic as is normally associated with mining operations. A sample of water <br />from the old mine workings at the Incas Mine on July 18, 1994, had a 8.14 ph. <br />The water requirements for processing the ore will be about 70 gallons per ton of <br />ore processed. This will be a non consumptive beneficial use of the water. <br />Processed ore in the form of a vacuum filter cake will be returned to the mining <br />operation for permanent disposal. This filter cake will contain about 25% moisture <br />by weight. Quality of water leaving the mine site is under control of the Colorado <br />Department of Minerals and Geology. Periodic water sampling is a requirement of <br />the state mining law. <br />Sewage disposal will be in the form of a outdoor privy. There will be no <br />employees at the mine and the applicant will be the sole operator of a one man <br />operation. After the several years, employees might be a consideration. If so, <br />facilities as necessary will be permitted and added. <br />Iplus-narrative-1 \ dgmc 2 <br />
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