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Donald E. Frick, E.I.T. South Platte Combined Replacement Plan November 14, 2006 Page 2 of 12 The required fee of $3472 (16 sites x $217/site renewal fee) has been submitted. A fee was not required for the Hazeltine Pit, Tucson South Pit and the East 8"' Street Pit since they were previou ly_appioved,as new plans with atwo-year approval period. The approval of their operation in t~s~'pl9n approval does not extend beyond their current plan's expiration date. t r •:~r,. ~:(il ::{ Mining and reclamation has been completed at the Teti Pit, North Dahlia Pit and the Larson Pit. At'the F-Street Pit and Stegner Pit, mining has been completed and reclamation is currently underway. Depletions that result from past operations at those sites are included in this substitute water supply plan ("SWSP"). Final reclamation for ali of the pits, other than the Larson Pit, includes either lining or backfilling of the ground water lakes. Aggregate is currently working with the owner of the Larson pit to file an application with the water court for a permanent plan of augmentation to replace evaporation depletions at the site. The Loloff Pit has not been active for several years, and Aggregate will not be mining this site again in the future. The Jeronimus pit is also currently not active and the Lawrence Wash Plant was backfilled in April 2006. Aggregate anticipates completion of mining at the Platte Valley Pit in 2006. The pit is currently dew8tering but will be allowed to fill upon completion of mining thereby increasing the exposed surtace area. Aggregate has accounted for the increased surface area beginning in January 2006. There is currently ground water exposed at these sites. If the sites will no longer be mined, Aggregate must either fine or backfill the lakes or file an application for a plan of augmentation with the water court. Prior to :.. further.plah approvals the applicant must demonstrate that the sites are being lined or backfilled or that an application for a plan of augmentation has been fil$d with the water court. Mining at the Tusson. South Pit ana Tull Pit will not: begiri until after 2006. The final reclamation plan for each'site, the bond amount and the water commitment to replace depletions in the event that the operator ceases dewatering and walks away from the site is shown in Table 2 below. Table 2 Site Name DMG # Final Reclamation Bond Amount Ditch RI hts CommittedlComments Lawrence Wash Plant N/A Backfill Teti Pit M-99-090 Backfill $10,000.00 North Dahlia Pit M-94-093 Reservoir $811,100.00 Fulton Lakes Pit M-99-034 Reservoir $1,510,800.00 Jeronimus Pit N/A Reservoir Hazeltine Pit M-04-031 Reservoir 670,602.00 Bri hton Pit M-77-436 Reservoir 1,579,400.00 Tucson South Pit M-04-044 Reservoir $994,423.00 Tucson Pit M-91-140 Reservoir $811,000.00 Wattenber Pit M-01-008 Reservoir Westminster 1998 Lease 294.79 ac-ft Platte Valle Pit M-89-120 O en Lake $754,732.00 Distel Pit M-89-029 O en Lake 52.5% Coffin & Davis DRch 172.2 ac-ft CU Tull Pit M-94-027 O en Lake 1 Share Smith & Emmons Ditch 61.1 ac-ft Larson Pit M-90-007 O en Lake Ste ner Pit M-99-021 Reservoir $184,664.00 W.W. Farms Pit M-99-098 Reservoir $155,480.00 17.5 Shares W.R. Jones Ditch 79.4 ac-ft F-Street Pit M-92-069 Reservoir 240 Shares Bo d & Freeman 99.28 ac-ft Loloff Pit M-85-112 Reservoir $15,000.00 East 8th Street Pit M-00-082 O en Lake $226,000.00