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2009-12-03_REVISION - M1998022 (4)
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2009-12-03_REVISION - M1998022 (4)
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Last modified
6/15/2021 5:55:52 PM
Creation date
12/7/2009 12:35:46 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1998022
IBM Index Class Name
REVISION
Doc Date
12/3/2009
Doc Name
Adequacy review
From
Tetra Tech
To
DRMS
Type & Sequence
CN1
Email Name
GRM
Media Type
D
Archive
No
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EXHIBIT D-Mining Plan <br />The existing operation has harvested surface rock from the talus slope under a valid 110 permit since <br />1999. The historic annual production has ranged from 0 to 1,244 tons. The harvesting activities started at <br />the gate and progressed northwest approximately 600 feet along the existing power line and then turned <br />northeast and extended a ramp up the slope. Current harvesting activities are in the northeast corner of <br />the permit area adjacent to the USFS lands. A Minerals Materials Permit application has been submitted <br />to the USFS to expand the harvesting operation onto their lands adjacent to the current 110 permit <br />boundary. An Environmental Assessment (EA) has been completed and a Record of Decision (ROD) of a <br />Finding of No Significant Impact (FONSI) issued on July 17, 2009. The ROD is attached to Exhibit N <br />Right to Enter. The ROD has been noticed. Two appeals were received. The USFS has reviewed the <br />appeal and upheld the District Ranger's decision for a FONSI and to issue a Minerals Materials Permit. <br />on October 13, 2009. Copies of the appeals and the USFS correspondence are attached for the file. <br />The harvesting operation begins with an excavator creating wind rows of material in the designated <br />harvesting area for that year. If market demand is high, the excavator may return to create additional <br />wind rows. When an area is completely harvested, the excavator will rough grade the slope in the Fall. <br />Surface rock is harvested by manual methods from wind rows created by an excavator. The rock is <br />placed on pallets and moved by a bobcat down to the staging area where the rock is fastened onto the <br />pallet with chicken wire for shipment. No waste rock removal is required since the rock to be harvested is <br />on the surface of the slope. <br />The estimated thickness of the talus slopes based on visual observation is 1 to 20 feet. <br />The access to the proposed harvesting area is via an existing road with an estimated width of 10 to 12 feet. <br />No road improvements are anticipated at this time as the road has been adequate to date for the operation. <br />No buildings or processing equipment are required as the rock will be hauled to another location for <br />processing. The existing slopes on the surface range from 20 to 60 percent (See Mine Plan Exhibit Q. <br />The slopes are expected to be stable since the angular nature of the talus material stabilizes the rubble <br />material and any soil present. TR-01 was approved in 2001 for the ramp constructed up the slope to the <br />current harvesting area and the use of 2:1 H:V slopes for reclamation. <br />A five foot diameter circle of undisturbed rock has been left around the base of the power poles per our <br />understanding with Holy Cross Electric Association. If a power pole requires relocation, The Gallegos <br />Corporation will notify Holy Cross Electric Association to work out the relocation process, (See attached <br />letter). On USFS lands, tree islands greater than 20 feet in diameter and individual conifer trees greater <br />than 3 inches dbh will be avoided. All standing trees and snags will be left in place for cavity nesting <br />birds and wildlife cover. No tree clearing for harvesting operations will occur without prior authorization <br />from the USFS. <br />A staging area just inside the gate is used to store pallets for shipment and to load a 15 ton flat bed truck. <br />The 15 ton truck hauls the stone to another location for processing. The estimated annual tonnage will <br />vary with market demand and is expected to range from 0 to 2,000 tons. Historically, 23-95 truck loads <br />have been removed annually. This equates to a daily trip range from 0.19 to 0.78 using a 122 day <br />harvesting season. The crew also drives a pick up to and from the site on the days the harvesting occurs. <br />Harvesting occurs from late May to September with contemporaneous reclamation being done in the Fall <br />(late September and October). Due to elk calving concerns, no disturbance will be allowed in the USFS <br />portion of the permit area from May 15 to June 20. The harvesting occurs intermittently and is less than <br />Revised: 12/2/09
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