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Impacts to surface water and ground water will be mitigated and monitored. Surface runoff from all <br /> disturbed areas will be channeled to a sedimentation pond. Ponds 10, 11, and 12 have been <br /> constructed to date. Disturbed area runoff from subsequent mining blocks will be routed to proposed <br /> Ponds 13, and 14. <br /> Surface water will be monitored upstream and downstream of the site on Grassy Creek and Armand <br /> Draw during the first permit term. Monitoring of Sage Creek was reinitiated two years prior to the <br /> proposed mining in the Sage Creek basin. <br /> Ground water will be monitored in the Trout Creek aquifer, in spoils aquifers, natural springs, and <br /> in the alluvium of Sage Creek, Grassy Creek, Armand Draw tributary, and Grassy Creek tributaries. <br /> Monitoring of Sage Creek alluvium was reinitiated two years prior to proposed mining in the Sage <br /> Creek basin. <br /> Water usage at the mine consists of dust control on roads and in pit areas. Water used in dust control <br /> will be obtained from Pond 002 at the Seneca 11 Mine. Seneca Coal Company has obtained rights <br /> for all water usage at the operation. <br /> Yoxst Mine 16 October 19, 1999 <br />