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ApIeJate <br />P <br />_ p, Inc. <br />Grou <br />Water Resource Advisors for the West <br />''MAY a97nIi <br />April 28, 2011 <br />{ lvision wi-g'sof?t?ltil <br />- + onlnq,and ate! <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 ning Operations with Exposed Groundwater - <br />1974004.62-g2j fALtion A-gregates Quarry); M1 15 (Lyons Prt <br />M1977081 (Greeley West Pit); M1977098 (Sievers Pit);..M198301--3 (Latham-Burkett Pit); <br />M1998014 (Gypsum Ranch Pit); M2000113 (Mamm Creek Sand & Gravel); <br />M2001094 (Shaw Pit); M2006.018 (North Bank Resources) <br />Dear Tony: <br />On behalf of Lafarge West, Inc. (Lafarge), '1 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 listed 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 "WD" 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 />• 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 />• Latham-Burkett Pit: Case No. 02CW123 (WD 5) <br />• Gypsum Ranch Pit: Case No. 02CW211 (WD 5)' <br />• Mamm Creek Sand & Gravel: Case No. OICW008 (WD 5) <br />- - <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 120th Avenue, Suite 200 (303)452-6611 • Fax (303)452-2759 <br />Denver, Colorado 80234 www:applegategroup com <br />-_ r =- ?i .-a3z ? ? _.._z .?,.:s,r='a:-«?----??"L'•:+s- _--',L?? raa "•."',dF«'?i_??+?lsr -_:` _