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• CI)M. <br />Memorandum <br />To.• Christy Wooolward- Environmental Coordi?afor <br />Terry We&-- OlrectorProject Oevelopmenf <br />Denison Mines (IJSA,) Coro. <br />From, N%CkAnfon, P.E. - Envilonmenfa/Engineer <br />MarkkNe/son, P. G. - Senior Hydrogeologisf <br />Todo'Bragdon, P.E. - ProjectManager <br />CDM/nc. <br />Date.' ? 4,3f, 2008 <br />Subjecl- DevelopmentRock, Ore, and Soil Characterwallon Data Co/%tion <br />Work Plan, to Address DesignafedM/ning Operations (DMO) Status <br />Sunday Aflnes Group and Ilan 4Mhe, San Miguel County, Colorado <br />• COMProjeclNo. 6498603 <br />CDM has prepared this draft data collection work plan for Denison Mines (USA) Corp. <br />(Denison) in accordance with our master services agreement (MSA), Task Order No. 3. This <br />work plan describes data collection procedures to be used by Denison to evaluate metals <br />concentrations and physical properties of development rock, ore, and soil at the Sunday <br />Mines Group located in San Miguel County, Colorado and the Van 4 Mine located in <br />Montrose County, Colorado (site). The Sunday Mines Group includes the following mines: <br />• Carnation Mine, <br />• St. Jude Mine, <br />• Sunday Mine, <br />• Topaz Mine, and <br />• West Sunday Mine. <br />The locations of the Sunday Mines Group and the Van 4 Mine are presented in Figures 1 and <br />3, respectively. CDM developed this data collection work plan to support the proposed <br />program for environmental analysis at the Sunday Mines Group and Van 4 Mine as described <br />in Denisan's Makh 31,.2N@ Wier (fin 2008) to the Colorado Division of Reclamation <br />Mining and Safety (DRMS) in response to the Imo' Notke.of DekmhwWonof Deftn@W <br />Mining Operations (DRMS 2008a). This evaluation is the first phase of an investigation <br />planned by Denison to address Designated Mining Operation (DMO) status at the Sunday <br />Mines Group and Van 4 Mine as set forth by the Colorado Mined Land Reclamation Act and <br />• 0:164986 - DenisonWask Order 3 - DMO Sampling and Analysis PlanlTask 3.1- Soil Ore Rock Data Collection Plan%Final Denison Sunday Was Group Soil Ore Rock Data <br />Collection Work Plan.doc