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2004-06-11_REVISION - M1986061
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2004-06-11_REVISION - M1986061
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Last modified
6/15/2021 2:58:20 PM
Creation date
11/21/2007 11:43:25 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1986061
IBM Index Class Name
REVISION
Doc Date
6/11/2004
Doc Name
Request for Agency Comment
From
La Plata County
To
DMG
Type & Sequence
AM1
Media Type
D
Archive
No
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Final Reclamation Timetable <br />Task <br /># Description Time Needed <br />months <br />1 Remove Facilities 0.5 <br />2 Blend (50% TS, 50% F) and Move <br />Topsoil for Mining Areas 1.0 <br />3 Blend (25% TS, 75% F) and Move <br />Topsoil for Staging Area 1.0 <br />4 Spread Blend over both Areas 1.5 <br />5 Regrade isolation berm 0.2 <br />6 Reseed, mulch and fertilize all top- <br />soiled azeas. 0.7 <br /> Totals 4.9 <br />6. Post-Reclamation Site Drainase <br />The site will drain in a similaz manner as in the pre-mining scenazio. The major difference is the storm <br />water channels and the filled drainages. Water will flow along the top of the filled drainages in the <br />storm water channels before flowing into the natural drainage. The flow will only differ in elevation <br />not in location. Before being dischazged into the natural drainage basin the flow speed will be reduced <br />through the use of energy dissipaters. <br />7. Weed Control <br />This azea of La Plata County is known to have some weeds of concern such as the thistle group and <br />knapweed. Four Comers Materials will take extreme Gaze in preventing weeds from establishing <br />infestations in the pemut azea by doing the following: <br />1) Each mid-April, a noxious weed survey will be made of the permit azea. <br />2) If any noxious weed patches or plants have been identified, they will be sprayed by backpack <br />sprayer or 4-wheeler using chemicals approved for use by the Weed Management Commission of La <br />Plata County. This will be done within 2 weeks after the inspection when the weeds are most <br />vulnerable. Caze will be taken to spot spray where possible to avoid killing desirable broadleaf plants. <br />3) After reclamation ofportions of the site and after fmal reclamation, weed surveys and spraying will <br />continue until the perennial cover and production of the site have met DMG requirements and bond <br />release has been obtained. <br />Cugnini 12/03 17 <br />
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