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N1 C? 5 S S <br />Applegate' <br />G ro up; Inc. <br />Water Resource Advisors for the West <br />?t <br />April 28, 2011 IAY it <br />0lviaionS?et}ft°lI?11?, Wing and SAW <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 Mining Operations with Exposed Groundwater <br />M-1974004 (Specification Aggregates Quarry); NI 15 (Lyons Pit <br />1\41977081 (Greeley West Pit); M1977 98 (Sievers,Pit);,M1983013 (Latham-Burkett Pit); <br />M1998014 "(Gypsum Ranch PitI6T2000113 (Mamm Creek Sand & Gravel);_ <br />M2001094 (Shaw Pit); M2006:018 (North Bank Resources) <br />Dear Tony: <br />On. behalf of Lafarge West, Inc. (Lafarge), Fain 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 fisted 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: 99CW23L(WD 1) <br />o Note that Lafarge is not the operatorlapplicant 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 />t Mamm Creek Sand & Gravel: Case No. OICW008 (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 120th Avenue, Suite 200 (303) 452-6611 • Fax (303) 452,2759 <br />Denver, Colorado 80234 www.applegategroup.com <br />i