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New Horizon Mine Annual Hydrology Report <br />Surface monitoring data for all sites listed above can be found in Appendix 1. <br />Ground Water <br />Ground water monitoring is briefly described below. Please see Map 2.04.7 -1A for locations. <br />• GW -N8 has been abandoned. <br />• GW -N9 monitoring has been suspended and the well was abandoned in 2014. <br />• GW -N47 monitors the underburden aquifer directly adjacent to the future mining area. <br />• GW -N48 monitors the Dakota coal aquifer directly adjacent to the future mining area. <br />• GW -N49 monitors the overburden aquifer directly adjacent to the future mining area. <br />• GW -N50 monitors the underburden aquifer and represents the up gradient condition. <br />• GW -N51 monitors the Dakota coal aquifer and represents the up gradient condition. <br />• GW -N52 monitors the overburden aquifer and represents the up gradient condition. <br />• GW -N53 monitors the underburden aquifer and represents the down gradient <br />condition. <br />• GW -N54 monitors the Dakota coal aquifer which represents the down gradient <br />condition. <br />• GW -N55 monitors the overburden aquifer which represents the down gradient <br />condition. <br />• GW -N56 monitors the underburden aquifer down -dip of the mining area. <br />• GW -N57 monitors the Dakota coal aquifer down -dip of the mining area. <br />• GW -N58 monitors the overburden aquifer down -dip of the mining area. <br />Groundwater monitoring data for all sites listed above can be found in Appendix 2. <br />Page 4 <br />