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Jared Dains <br />South Platte Combined Replacement Plan <br />April 2, 2009 <br />Page 3 <br />Mining and reclamation of the Teti Pit is complete leaving exposed ground water requiring a <br />permanent plan for augmentation. Aggregate filed an application with the water court for a <br />permanent plan of augmentation under case no. 2007CW198. Until such time as a decree is <br />entered in that case, Aggregate will replace depletions from the Teti Pit under this SWSP. <br />Mining at the. Platte Valley Pit was completed in 2006. The site has filled with ground water <br />and as mining progresses across the river at the Wattenberg Pit, Aggregate will backfill the Platte <br />Valley Pit with fines produced from the Wattenberg Pit. Ultimately the entire site will be backfilled. <br />Aggregate has not yet begun to actively mine the Wattenberg Pit as stated in previous <br />reports and dewatering has not begun at the site. However, there is currently 1.7 acres of ground <br />water exposed at the site and depletions resulting from evaporation will be replaced under this <br />SWSP. <br />Mining of the North Dahlia Pit is complete and Aggregate has backfilled a portion of the <br />existing lake leaving approximately 3.5 acres of exposed ground water at the site. Aggregate <br />amended the water court application for a plan for augmentation in case no. 2007CW198 to include <br />the remaining 3.5 acres exposed at the North Dahlia Pit. Until such time as a decree is entered in <br />that case, Aggregate will replace depletions from the North Dahlia Pit under this SWSP. <br />The Jeronimus Pit is complete and Aggregate is currently filling in the lake at the site with <br />fines from the Hazeltine Pit. Ultimately the entire site will be backfilled. <br />Aggregate has completed mining at the F-Street Pit and is in the process of reclaiming the <br />site. The dewatering pumps were turned off in 2008 and the post pumping depletions associated <br />with that activity was accounted for in the 2008 SWSP and will continue to be accounted for in this <br />SWSP. Aggregate is working with the landowner and expects to transition the land back to him <br />within the next three years after the reclamation is,complete. <br />The final reclamation plan for each site, the bond amount and the water commitment to <br />replace depletions in the event that the operator ceases dewatering and walks away from the site is <br />shown in Table 3 below. <br />Table 3 <br /> Proposed Final <br />Site Name DMG # Reclamation <br />Teti Pit M-99-090 ground water Lake <br />North Dahlia Pit M-94-093 lined reservoir <br />Jeronimus it M-75-039 backfilled <br />Hazeltine Pit M-04-031 lined reservoir <br />Brighton Pit M-77436 lined reservoir <br />Tucson South Pit M-04-044 lined reservoir <br />Tucson Pit M-91-140 lined reservoir <br />Wattenberg Pit M-01-008 lined reservoir <br />Platte Valley it M-89-120 backfilled <br />Distel Pit M-89-029 ground water Lake <br />Tull Pit M-94-027 ground water Lake <br />Bond <br />Amount Ditch Ri <br />$77,600 2007CW1 <br />Committed/Comments <br />hygregate oacKrllled a portion, a small <br />$811,100 groundwater lake remaining on the site that <br />will be covered by 2007CW198-Dendina <br />none <br />$670,602 none <br />$1,579,400 none <br />$994,423 none <br />$811,000 none <br />Westminster 1998 Lease (294.79 ac-ft ) <br />732 none <br />52.5% Coffin & Davis Ditch (172.2 ac-ft CU) <br />1 Share Smith & Emmons Ditch (61.1 ac-ft )