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PERMFILE43450
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PERMFILE43450
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Entry Properties
Last modified
8/24/2016 10:45:54 PM
Creation date
11/20/2007 11:34:41 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2000158
IBM Index Class Name
Permit File
Doc Date
4/3/2001
Doc Name
2ND HYDROLOGIC ADEQUACY REVIEW S & H MINE 112 APPLICATION PLATTE SAND & GRAVEL LLC FN M-2000-158
From
DMG
To
ERICA CROSBY
Media Type
D
Archive
No
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<br />_ • <br />~. <br />t. <br />" <br />• ~IIIIIIIIIIIIIIIIIII <br /> <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman 51., Room 215 <br />Dern'er, ~OIU(a((O 80203 DIVISION O F <br />Phone: 1303) 86G-3567 MINERAL S <br />FAR: (303) 832-8106 St <br /> GEOLOGY <br />Date: April 3, 2001 MININGM AFEOTY <br />To : Erica Crosby, Carl Mount Bill Owens <br /> Governor <br /> Geg E. Watcher <br />From : Tom Schreiner ~~,J Eaeculive Director <br /> Michael B. Long <br /> Division Duecror <br />RE: S & H Mine 112 Application, Platte Sand & Gravel LLC, File No. M-2000-158 <br />2nd Hydrologic Adequacy Review <br />I have reviewed the objector's March 9, 2001 comments and the applicant's March 27, 2001 <br />adequacy review comments. The items listed below are outstanding hydrologic concems that <br />will require either clarification or additional information from the applicant. I recommend that <br />these concerns be resolved to the satisfaction of the Division prior [o a recommendation of <br />approval. <br />6.4.3 EXHIBIT C -Pre-Mining & Mining Plan Map(s) of Affected Lands <br />1. In conformance with Rule 6.4.3(d), the Division requests that the mine plan map be revised to <br />show the limits of excavation (if other than the affected land boundary) and the proposed <br />setbacks from the South Platte River and the Western Mutual Ditch. In addition, the <br />approximate location and orientation of any product, overburden, or topsoil stockpiles (if located <br />in areas away from the processing area) should also be noted. Please address. <br />6.4.7 EXHIBIT G -Water Information <br />8. The applicant has provided a hydrologic analysis (prepared by Leonard Rice Consulting Water <br />Engineers, Inc.)including apredicted cone of depression for 1-acre areas to be dewatered and dry <br />mined during the life of the operation. The hydrologic assessment indicates [hat there will be <br />minimal impacts to offsite wells located within 600 feet of the affected land. The hydrologic <br />assessment also provides specific recommendations for the applicant which will help ensure <br />minimization of possible impacts to other ground water users. The Division agrees with the <br />dewatering results predicted by LRCWE and the recommendations for minimization of possible <br />impacts. Accordingly, the Division will be in favor of approval of this application provided [he <br />applicant will commit to or incorporate the parameters of the LRCWE analysis into their mining <br />and reclamation plan. Also, the Division requests [ha[ the applicant clarify whether they will <br />
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