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PERMFILE106017
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PERMFILE106017
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Entry Properties
Last modified
8/24/2016 9:58:49 PM
Creation date
11/24/2007 1:07:11 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2000049
IBM Index Class Name
Permit File
Doc Date
4/5/2000
Doc Name
GRAVEL PIT PERMIT APPLICATION REGULAR 112 OPERATION
Media Type
D
Archive
No
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' 6.4.4 EYHIBIT D - Mining Plao • <br />This is a new application for a sand and gravel operation located in Montrose County. <br />The area [o be mined is approximately 2 miles southeast of Redvale and lies on the western edge <br />of Wrights Mesa at an elevation of approximately 6,520 feet or about 500 feet above Na[urita <br />Creek. <br />Historically, the area was utilized for irrigated and non-irrigated pasture with some cultivation for <br />hay crops. Mining of construction materials has occurred along this outcrop above Naturita Creek <br />for decades. <br />Conventional equipment will be used for mining the material such as dozers, front-end loaders, <br />scrapers and haul trucks. Refer to Exhibit C-2 Mine Plan for [he direction and extent of the <br />excavation. <br />The disturbance created by this mining operation will no[ require the diversion or impoundment of <br />water. The only water used in the mining operation will be for occasional watering of the access <br />roadway, in which case the water will be imported and spread by truck. <br />The material will be mined, sized and removed for use as various aggregate products and <br />construction materials. Various product stockpiles may be created on site for future needs. <br />The affected area is expected to be mined in three phases as illustrated on the E.rhibit C-1 Pre- <br />mri:ii~g Map. The location of existing features, immediately adjacent structures and other pertinent <br />infornration are also portrayed on this map. The life of [he mine, based on the present demand for <br />materials, is estimated to be about 65 years; the actual rate of mining will depend on the changing <br />demand for materials. The best current estimate for the life of the operation, at a production rate <br />of 70,000 tons per year, is provided as follows: <br />Phase Acres Acres Disturbed Term (Years) <br />I 15.4 16.7 11.8 <br />II 45.1 45.1 47.5 <br />III 7.7 10.0 5.6 <br />Phase I begins at the toe of the identified Crop Line as shown on Exhibit C-1. Work will begin in <br />the Phase I area as soon as permitting is in place. Phase II and III will then be mined sequentially. <br />Available topsoil will be stripped from the area to be disturbed and stockpiled around the <br />perimeter of the site. As a stabilization measure, any topsoil which is to be stockpiled longer than <br />about one growing season will be broadcast seeded with a perennial sod-forming grass cover such <br />as western wheatgrass a[ a typical rate of 20 pounds/acre. The site will then be mined to a depth of <br />about 30t feet. <br />Because of [he scarce cover material available on the gravel outcrop, reclamation of the pit will <br />begin and can be simultaneous after approximately 235,000 tons of gravel are produced. This <br />initial production period would last approximately 4 years. During this initial production, the <br />scarce topsoil and plant growth medium will be used to develop a berm along the toe of the <br />D-1 <br />
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