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<br />• <br />• <br />REVisea 1/2a/so <br />Section 785.19(c) Continued <br />mining on any alluvial valley floors which may exist downstream fran the <br />mine plan area have been evaluated. Mining will not directly impact any <br />alluvial valley floor; however, the possible indirect effects of mining <br />on the essential hydrologic functions of the four subject areas which <br />may contain alluvial valley floors are discussed below. <br />The first subject area, the floodplain of Fish Creek, is acknowledged to <br />meet the gearorphic criteria and has been tentatively identified by <br />color infrared photography as an alluvial valley floor. Runoff from <br />Energy Mine 2 drains into this floodplain. Energy Fuels has taken <br />appropriate measures to protect the essential hydrologic functions of <br />the Fish Creek floodplain by designating stream buffer zones, and by <br />installing sedimentation ponds (See Existing Structures, Map 34) and <br />monitor stations (See Energy Mines 1 and 2 Hydrology, Map 13) on the <br />drainages from disturbed areas feeding into the alluvium of Fish Creek. <br />This role of the floodplain in collecting, storing, regulating, and <br />yielding water for agricultural activities has been unchanged by mining <br />and reclamation operations upslope. With mining at Energy Mine 2 <br />scheduled to cease in 1960, no special erQhasis on scientific study has <br />been placed on the Fish Creek floodplain. However, to ensure that the <br />essential hydrologic functions of the floodplain will remain unaffected, <br />the systen of protective measures already installed will be iicgrwed and <br />expanded (See Energy Mines 1 and 2 Hydrology, Map 13). <br />785-9(hh) <br />