2005-07-13_REVISION - M2000016 (42)

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Ms. Joanna Williams RE: Combined South Platte SSP Renewal Apri128, 2005 Page 4 oj6 Lined storage is planned after reclamation for these four sites. Any required replacements for lagged depletions caused when dewatering ceases will be made by the applicant. The timing of any depletion to the river as a result of the dewatering operation will be estimated using Glover techniques and incorporated into the final water balance. SURROUNDING WATER RIGHTS The following table lists the gravel pit well permits for each of the active sites. No new well permits or 600 foot spacing evaluations will be required. Site Name Well Permit # Howe Pit 55604-F Tanabe Pit 54162-F Dunes Develo ment 54177-F Mann Lakes 56354-F Ft. Lu ton Pit SSS77-F Riverbend O eration New Permit re uired Sta ecoach Sto Pro e New ermit re uired The Riverbend Operation and Stagecoach Stop Property will be required to acquire new well permits prior to the start of mining operations at either site. LONG-TERM AUGMENTATION The following table lists the current bond amounts for the seven mining sites included in this plan. [n the unlikely event Lafarge would leave one of these sites, the bond amounts could be used for either completion of a reservoir liner or backfilling above the groundwater table. Lafarge will maintain a substitute supply plan for each site until the lined storage is constructed and approved by the SEO. After completion of the lined storage at the site, there will be no long-term evaporative depletions requiring augmentation. Site Name Bond Amount Howe Pit $328,800 Tanabe Pit $1,105,900 Dunes Develo ment $719,450 Mann Lakes $0 Ft. Lu ton Pit $56,000 Riverbend O eration $743,000 Sta ecoach Sto Pro e $802,300 C:IDocuments and SettingslDonnaJTaylorlLaca[SettingslTemporary /nternet FilesIOLKBIttr Lafarge SP Combined SSP l2 28 04.doc