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doic) SSS <br />w Applegate ' <br />Group, Inc. <br />Water Resource Advisors for the West ROTIV' <br />`O- AY 017nil <br />April 28, 2011 <br />C?ivlasi?sr?< :?€??tK4ni?rf, , <br />Mining and 84 MY <br />Mr. Tony Waldron <br />Division of Reclamation, Mining and Safety <br />1313 Sherman St:, Room 215 <br />Denver, CO 80203 <br />Re: Response to DRMS Letter Pertaining to.M? ri g Operations With Exposed Groundwater <br />M1974004 (Specification Aggregates Quarry); M 15 (Lyons Pit <br />M1977081 (Greeley West Pity; Mi-977098 (Sievers Pit);,M1983013 (Latham-Burkett Pit) <br />IdeM1'f? 99801'4 " G sum Rah Pit • M2000113 (Mamm Creek Sand &Gravel); <br />M2001094 (Shaw Pit); M2006018 (North Bank Resources) <br />Dear Tony: <br />On.behalf of Lafarge West, Inc. (Lafarge); 'I am writing to respond to the Division of Reclamation, <br />Mining, and Safety (DRMS) letter sent to Lafarge on April 30, .2010 regarding mining operations <br />with exposed groundwater: The specific mining operations Tist, d above currently expose <br />groundwater or will expose groundwater in the near future: These sites, either currently have: a water <br />court decreed plan for augmentation, or a, decreed augmentation plan actively being sought. The <br />specific,, augmentation plans for each site are listed below; note that stands for "Water <br />Division":' <br />• Spec°Agg Quarry: Case Nos. 90CW215 &`91CW047 (WD 1) <br />• Lyons Pit: Case Nos. 80CW443, 88CW049, 88CW074, 88CW075, and 93CW159 (WD 5) <br />• Greeley West Pit: Case No. 99CW231 (WD 1) <br />o Note that Lafarge is. not the operator/applicant of this augmentation plan. <br />P Sievers Pit: Case No. 83CW65 (WD 5) <br />o Also, additional exposed. groundwater not covered by the augmentation plan is <br />covered in a gravel pit SWSP originally requested from the DWR on March 30, 2009 <br />A Latham-Burkett Pit: Case No. 02CW123 (WD 5) <br />J,f Gypsum Ranch Pit: Case No. 02CW211 (WD 5) <br />• Mamm Creek Sand & Gravel: Case No. 01CW008 (WD 5)' <br />• Shaw Pit: Case No. 07CW257 (WD 1) <br />o Note that this augmentation plan is not yet decreed, , and Lafarge is not the <br />operator/applicant. <br />• North Bank Resources: Case No. 06CW020 (WD 5) <br />1499 West 1Nth Avenue, Suite 200 (303) 452-6611 Fax (303) 452 2759 <br />Denver, Colorado 80234 www.applegategroup.com