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GENERAL38316
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Last modified
8/24/2016 7:58:08 PM
Creation date
11/23/2007 9:36:41 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980002
IBM Index Class Name
General Documents
Doc Date
10/29/1981
Doc Name
PROPOSED DECISION and FINDINGS OF COMPLIANCE
Permit Index Doc Type
FINDINGS
Media Type
D
Archive
No
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<br />The vegetation within the vicinity of the mine is characterized as open-sage- <br />brush which for the nrost part consists of saycbrusli and grasses with <br />scattered park stands of aspen. This area is used primarily for grazing <br />during the surmner months and For wildlife habitat. Wildlife that inhabit the <br />area include large and small game animals, and numerous birds and small <br />mammals. <br />Soils in the area are characterized as moderately deep well-drained loam <br />soils with a very dark-colored surface layer. Variability in the characteristics <br />of the soils in the area is primarily due to slope and topography. Deeper <br />soils are located in the valley bottoms and at the foot of slopes while the <br />shallower soils occupy the steeper side slopes. <br />The mine elevation is approximately 9,200 feet with about 15 to 20 inches of <br />precipitation annually. Precipitation mainly comes in the form of snowfall. <br />The area has a moderate growing season, averaging less than ninety days in <br />length. <br />There are no residences, roads or other significant man-made features within <br />the immediate vicinity of the mine. The closest resident to the mine is <br />approximatly 3/4 mile east of the bench area and 1/2 mile from the proposed <br />new mine workings. <br />Mining and Reclamation Plan <br />The OC ffine No. 2 mining operation has disturbed 3.2 surface acres of which <br />0.98 acres were disturbed in the construction of the sediment control system. <br />No additional surface disturbances are planned in the future. The surface <br />facilities for the operation consist of a tipple, shop, office and explosives <br />storage area. There are two roads at the mine site. One leads up to the <br />portal bench area and the other one serves the tipple area. <br />OC Mine No. 2 employs conventional two-entry room and pillar underground <br />mining methods. For this permit the operator is mining 80 acres. The operator <br />currently has a request pending for a lease modification to add an additional <br />120 acres to the existing Federal Lease. If this lease modification is not <br />granted, the mine plan calls for retreat mining to commence in 1983, with <br />reclamation beginning in approximately the year 1993. If the lease <br />modification is granted, final reclamation will commence in the year 2025, <br />following the completion of mining. <br />Reclamation will consist of regrading the disturbed area to approximate original <br />contour, topsoiling with one to two inches of soil and seeding with native <br />species to achieve the post-mining land use of grazing and wildlife habitat. <br />The only topsoil available for reclamation is that salvaged in 1980 during <br />construction of the sediment control system. Since this mine was opened in <br />1943, no topsoil was salvaged. however, one to two inches of topsoil should <br />be sufficient to achieve successful reclamation because the subsoils are of <br />good quality as plant growth media. Furthermore, since the area of disturbance <br />is small (3.2 acres), natural reinvasion from surrounding native vegetation <br />will greatly enhance the applicant's revegetation efforts. <br /> <br />
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