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2018-05-21_PERMIT FILE - M1978271
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2018-05-21_PERMIT FILE - M1978271
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Entry Properties
Last modified
6/15/2021 2:35:26 PM
Creation date
5/21/2018 12:16:20 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1978271
IBM Index Class Name
Permit File
Doc Date
5/21/2018
Doc Name
Addendum To Application
From
Asphalt Gravel Products
To
DRMS
Type & Sequence
AM1
Email Name
LJW
WHE
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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EXHIBIT E RECLAMATION PLAN <br /> 1. General Reclamation Plan <br /> The total disturbed area to be reclaimed under this permit is 628 acres. Reclamation plans can be <br /> viewed on Map F-1. As of November 2017, approximately 8 acres in the northeastern corner of <br /> the site are reclaimed. An internal road will be left in place in the northeastern corner of the <br /> property for the property owner to access and use the site following mining. Volunteer <br /> rabbitbrush readily grows on little to no topsoiled surfaces reflective of unmined ground <br /> conditions throughout the general area. Post-mining land use will be rangeland on all slopes. All <br /> slopes will be reclaimed to 3H:1 V or shallower and no more than 300 lateral feet of highwall <br /> will remain in need of gross earthworks at any time. As described in the mining plan, <br /> reclamation will occur concurrently with mining. <br /> Topsoil and overburden from the current mining phase will be used to reclaim the previous <br /> mined out phase. A front end loader and dozer will be used to place and distribute overburden <br /> and topsoil throughout the site. Average cost per cubic yard is $1.50. It is anticipated that <br /> backfilling and seeding will occur at 2 to 3 year intervals until the site is completely mined. <br /> Topsoil will be replaced to an average depth of 2.5 inches. Overburden will be used to cover <br /> existing shallower than 3H:1 V mining slopes to 1 foot depth, as needed. However, due to the <br /> type of mining—dozer push to stockpile—traditional overburden resurfacing may be <br /> unnecessary. This is because the dozer pushdown mining technique inherently results in 3H:1 V <br /> side slopes and a pit floor that matches pre-mining slopes of< 5H:IV. <br /> 3,400 CY of overburden is necessary to reclaim the 300 foot long highwall worst case scenario, <br /> see Exhibit L and Map F-1 Reclamation. 3,648,000 CY (plus the 10 CY in current onsite berms) <br /> of overburden will be available for use during reclamation. Exact amounts of overburden <br /> required for reclamation are unknown and are potentially unnecessary due to the inherent <br /> shallower than 3H:1 V mining slopes resultant of dozer push to stockpile style mining. However, <br /> the available overburden for potential resurfacing (3,648,000 CY) is more than enough to <br /> reclaim the entire site, if necessary. Therefore, <3,648,000 CY of overburden may be left as <br /> excess and will be available to be: sold and transported off site, applied during final grading of <br /> Garrett Pit X c.0 I. kk.a -n:s«i—Pla.c <br /> February 2018 E-1 <br />
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