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2015-06-04_REVISION - M1977376 (6)
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2015-06-04_REVISION - M1977376 (6)
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Entry Properties
Last modified
6/16/2021 6:08:09 PM
Creation date
6/5/2015 4:17:15 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977376
IBM Index Class Name
REVISION
Doc Date
6/4/2015
Doc Name
Request TR02
From
Tuttle & Assoc.
To
DRMS
Type & Sequence
TR2
Email Name
TC1
WHE
Media Type
d
Archive
No
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6.4.4 EXHIBIT D — MINING PLAN <br />Introduction <br />The mining on this quarry site started in late 1920's. The first area mined is the Old Quarry area <br />(see Detail 3 on Exh. C-1). The second area mined is the present mining area (see Detail 2 on <br />Exh. C-1). The dolomite limestone was used by CFI in Pueblo for steel manufacturing. CFI <br />permitted the quarry in 1977 when the reclamation law was implemented. <br />The land of the permit was purchased by private investor in 1993. The land was purchased by <br />Continental Materials in 2003. Thus Continental Materials is liable for reclamation of <br />disturbances since 1977. Exh C1 defines this area. Any disturbance not inside the dashed line <br />is not the responsibility of the operator. Much of the disturbance in the mine area (Detail 2, <br />Exh C-1) will be incorporated into the future mining area. <br />The last amendment done in 1982 by CFI included a vague mining and reclamation plan. Thus <br />the purpose of this TR is to detail the plans and update the financial warranty. There is no <br />change in permit boundary. <br />(a) Methods of Mining <br />This is a hard rock quarry on a mountain side. The standard benching technique moving <br />downward on the hill will be employed. Refer to Exh. C-2. <br />Prior to 1977, the original operator started mining up the slope at the western boundary line. <br />The present mining is occurring 300 to 600 feet from the boundary line. The operator will <br />continue the present mining on the 6190 foot bench. One bench above the mining is used as <br />the road up to drill / blast area. <br />The blasting cuts out approximately 50' of horizontal distance once a year. The rock material is <br />used for landscape purposes. <br />The present bench for mining (approx. 6150' elev) slopes upward to the south. This presents a <br />problem as rainfall drainage flows northward back into crusher/screen and stockpile area. <br />Mining of the remaining bench and the next (third) bench will bring the benches to horizontal. <br />Thus rainfall drainage can be directed to the east and off the bench. <br />Mining will proceed down to the east to 6000 elev. Seven benches in total will be mined. <br />Approximately 1.2 M tons are mined out per bench. <br />No mining will occur any farther into the canyons of Echo and Diablo as noted in 1982 <br />amendment. <br />
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