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REV00532
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REV00532
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Entry Properties
Last modified
8/25/2016 12:58:12 AM
Creation date
11/21/2007 8:46:48 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1983033
IBM Index Class Name
Revision
Doc Name
EXHIBIT D MINING PLAN
Type & Sequence
AM5
Media Type
D
Archive
No
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0 <br />Please refer to Map Exhibit D-1 amended 11/84, revised May, 1985 <br />for the location of Stage Z. <br /> Amendaent 3 Fill propasal <br /> This amendment will be to fill a ravine in old Stages 2 6 S. <br /> This area is now included in Stage 1. The overburden encountered <br /> in the upper part of Stage 1 will be hauled thru a notch cut in a <br /> ridge along the south side of Stage 2 labeled Transportation <br />Corridor and will be dumped into this ravine. The Transportation <br />Corridor is within the area to be mined and will be removed as <br />the mine face progresses east across the property. Providing <br />sufficient fill is available the ravine will be filled to approxi- <br />mately the 7380 foot elevation or just under the top of the ridge <br />separating the operation from U. S. 6. This will increase the <br />amount of reclamation required in Stage 1 by 5.72 acres +/- and <br />reduce the amount of reclamation in Stage 2 by 1.34 acres +/-. <br />The additional 4.38 acres +/- will be removed from Stage S. As always <br />a any salvagable soils encountered in the ravine will be stock piled <br />prior to commencement of filling. <br />This ravine drains approximately 78.94 acres. Provisions <br />a will be made to place a 6 inch pipe under the fill to allow <br />unrestricted drainage until mining has progressed into the drainage. <br />As mining moves into this drainage any water encountered will be <br /> diverted along the mine floor to the creek along the west side of <br /> Stage 1. This is consistant with the original reclamation plan. <br />a To date no water has been observed flowing thru this drainage. <br /> Below are the calculations for the estimated discharge from this <br /> drainage for a Type IIA storm, 100 year/24 hour event. <br />a 6 <br /> <br />
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