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Revegetation Comments <br />1 Primarily native seed mixture <br />1 Increased species diversity <br />1 Variety of seedbed preparation, <br />seeding methods, and mulching <br />options <br />1 Weed management plan <br />1 Monitoring revegetation success <br />1 Customized seed mixes for eco- <br />niches <br />Aquifers are Protected by <br />the Following: <br />1 Sampling surface runoff prior to <br />discharge from sediment pond <br />1 Sampling of alluvial aquifer of St <br />Charles river <br />1 Sampling of Dakota aquifer <br />1 300 feet of aquitards between mine <br />and nearest aquifer <br />1 Controls in the pit to minimize blasting <br />residue introduction into water <br />Issues addressed in <br />Adequacy Review by DMG <br />1 Maps <br />1 Stratigraphy <br />1 Water information <br />1 Path of meteoric water <br />1 Groundwater monitoring <br />1 Location of man -made structures <br />1 Expand mining plan description <br />1 Explosives use and controls <br />Niobrara <br />Overburden <br />Fort Hayes LS <br />Codell SS <br />231' <br />400' <br />Carlisle Shale <br />Greenhorn <br />Limestone <br />Graneros Shale <br />Dakota Sandstone & <br />Dakota Aquifer <br />1.1. 1401... -,-1111„,. -1. <br />3 <br />