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2003-09-03_REVISION - M1985029
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2003-09-03_REVISION - M1985029
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Last modified
6/15/2021 5:44:31 PM
Creation date
11/21/2007 12:48:52 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1985029
IBM Index Class Name
Revision
Doc Date
9/3/2003
Doc Name
Amendment Application
From
Ducommun Business Trust
To
DMG
Type & Sequence
AM4
Media Type
D
Archive
No
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amendment, since the bulk of the gravel mine reserves exist north of the gold plant azea. Once <br />• the 110 azea is graded, it will be covered with fines from the operation and/or Stockpiles #1 or <br />~ #4. Since the 110 azea is approximately 11.8 aaes, the amount of fines needed to cover the area <br />with 3 inches thickness is 4759 cy. The topsoil will be spread and graded with a small dozer (AS <br />size) to ensure that no equipment compaction occurs. <br />Although a lazge portion of the post-mine site will be used for residential use, all azeas (other <br />than roads or ponds) will be covered with substitute fines or topsoil to a depth of 2.5"-3" after <br />final grading. <br />Of the 28.7 disturbed acres in the north mine area, 2.8 acres will remain as ponds and 2.8 acres <br />will remain as roads, therefore, only 23.1 acres will require the substitute fines. Using a 3" <br />average thickness, this requires 9317 cy. This volume will have been stockpiled at either of the <br />two locations (Piles #1 and #4) and is also the volume that will be required to be spread at the <br />end of the mine life. <br />•; Therefore, at the end of the mine life, final grading will be needed on 23.1 acres, followed by <br />topsoil(substitute fines) replacement and revegetation on the same azeas. All portable buildings <br />and tanks will be removed except for the shop/office building wnstructed neaz the pit entrance. <br />This building and associated parking azea will remain for commercial use after reclamation. <br />The following table shows the tasks for full reclamation of the gravel pit azea. <br /> <br />Alma Placer 7/03 41 <br />
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