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<br />DEPARTMENT OF NATURAL RESOURCES <br />DIVISION OF WATER RESOURCES <br />Cheryl Signs, P.E. <br />Cheryl Signs Engineering <br />109 East Fourth Avenue <br />Denver, CO 80203 <br />April 12, 2011 <br />John W. Hickenlooper <br />Governor <br />Mike King <br />Executive Director <br />Dick Wolfe, P.E. <br />Director/State Engineer <br />Re: Oldcastle SW Group, Inc. (a.k.a. United) Combined Replacement Plan <br />Seahorse Ranch West Gravel Pit (M-01-113) <br />Vader Pit (M-78-287) <br />Water Division 4, Water District 28, Gunnison County <br />Approval Period: November 1, 2010 through October 31, 2012 <br />Contact Phone Number for Ms. Cheryl Signs: 303-778-7653 <br />Dear Ms. Signs: <br />This letter is in response to your letter dated April 26, 2010, requesting combined substitute <br />water supply plans ("SWSP") to cover depletions caused by gravel mining operations at two mine sites <br />operated by Oldcastle SW Group, Inc. (a.k.a. United) ("United or Applicant') along Tomichi Creek, which <br />is tributary to the Gunnison River. United recently purchased the two pits from Varra Companies, Inc. <br />(" Varra"). This SWSP proposes to replace depletions resulting from current and past mining at the two <br />sites as specified in Table 1 below: <br />TABLE 1 <br /> Location Current Well New Permit Currently Maximum <br />Site Name DRMS # Permit No. or Required Exposed Exposed <br /> Receipt No. Surface Surface <br /> acres acres <br />Seahorse Ranch SW1/3 Sec. 3 & <br />West Gravel Pit SE1/4 Sec. 4, Twp. M2001-113 None Yes 22.47 35 <br /> 49N, Rn . 1 E <br /> SE1/4 Sec. 3 & <br />Vader Pit NE1/4 Sec. 10, M1978-287 None Yes 1.71 25 <br /> Tw . 49N, Rn . 1 E <br />The required fee of $3186 (2 x $1593) has been submitted (receipt nos. 3645407 and <br />3645408). <br />United anticipates to actively mine the Seahorse Ranch West site in 2011 and 2012. Depletions <br />resulting from evaporation and mining operations at these sites are replaced under this SWSP. Water <br />use at the Seahorse Ranch West site will include dewatering, evaporation from exposed groundwater, <br />aggregate production, dust control, and concrete batching. Water use at the Vader Pit includes only <br />evaporation. The SWSP request addresses the current and the maximum operational demand. The <br />proposed replacement sources for these pits are: historical consumptive use of Griffing No. 2, McCanne <br />No. 1, and McCanne No. 2 Ditches previously used for irrigation on the Vader Property. <br />Office of the State Engineer RECEMEY' <br />1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: 303-866-3581 • Fax: 303-866-358 APR 19 2011 <br />http://water.state.co.us <br />Division of Reclamation, <br />N b*lg and Safety