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GENERAL40686
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Entry Properties
Last modified
8/24/2016 7:59:49 PM
Creation date
11/23/2007 10:48:53 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2000158
IBM Index Class Name
General Documents
Doc Date
6/21/2001
Doc Name
PLATTE SAND & GRAVEL LLC S & H MINE PN M-2000-158
From
ENVIRONMENT INC
To
DMG
Media Type
D
Archive
No
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~ ~ iiiiiiiiii i <br />Er~vir~r~rr~er~~., Ir~c. <br />LARRY E. O'BRIAN 7985 VANCE DRIVE, SUITE 205A <br />FOUNDER ARVADA,COLORADO 80003 <br />303-423-7297 <br />Q C '„ FAX 303-423-7599 <br />June 21, 2001 RECCE ~/ E® <br />JUN 2 1 ~~~~r <br />Mr. Carl Mount <br />Division of Minerals and Geology OivisiOnotMirteralsandGeolagy <br />1313 Sherman St., #215 <br />Denver, CO 60215 <br />Dear Carl; <br />RE: Platte Sand b Gravel LLC <br />S6H Mine, Permit # M-2000-158 <br />On behalf of Platte Sand b Gravel LLC I am proposing the follow- <br />ing mitigation measure to protect cottonwood trees that are not on the <br />mine site. An issue has be raised that there is a possibility that <br />cottonwood trees may be impacted by the dewatering planned on the 1 <br />acres start up areas in each lake area. Some of the trees along the <br />river are owned by Mr. Sharkey, president of the PS6G, and some are <br />owned by adjoining land owners. Our primary concerns are for those <br />not on the mine site and it is felt that Mr. Sharkey's trees are his tc <br />do with as he wishes. After discussing this issue with our water and <br />wildlife consultants the following mitigation plan was decided upon. <br />This mitigation plan is a very simple solution to the precon- <br />ceived problem. Prior to dewatering, a shallow recharge trench will <br />be excavated along the side of the dewatering area closest to any <br />trees. This trench will be excavated through the topsoil and one foot <br />into the gravel layer. Water from the dewatering operation will be <br />placed in this trench to recharge the ground water thus mitigating the <br />draw down in the direction of the trees. This trench will be kept <br />full of water during dewatering and once the dewatered area refills it <br />will be allowed to dry up. The trench would then be removed as mining <br />progresses. <br />If you have any questions please call me. <br />Sincerely, <br />Environment, Inc <br />~~` v - - <br />Stevan L. 0 Brian <br />President <br />cc Platte Sand & Gravel LLC <br />file <br />
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