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II _ <br /> COAL BASIN MINE <br /> APPENDIX II-B-7 <br /> ATTACHMENT 6 <br /> SEDIMENT POND DESIGN CERTIFICATIONS <br /> Table of Contents <br /> Section Subiect Page <br /> A Summary Statement Concerning Certifications 1 <br /> B General Certification Letter - John Turner 2 <br /> C Les Johnson Construction Co. Certifications 7 <br /> D Schmuesser &' Associates - Certifications 7 <br /> E Dutch Creek Concrete Flume Design 9 <br /> • II-B-App.7-Att.6 As-Built Design Maps 3-A <br /> 1 No. 1 Mine Ponds A & B (018) <br /> 2 No. 2 Mine Ponds A & B (018) <br /> 3 No. 3 Mine Ponds A, B (015) , & North (014) <br /> 4 No. 3 Bin Pad Pond . (023) & Tunnel Pad Pond (025) <br /> 5 No. 4 Mine Pond (013) & Old Refuse Pile Pond(009B) <br /> 6 No. 5 Mine Pond (017) <br /> 7 Rock Tunnel Pond A <br /> 8 Rock Tunnel Pond B <br /> 9 Rock Tunnel Pond C (016) <br /> 10 Lower Preparation Plant Ponds A & B (001) <br /> 11 Upper Preparation Plant Ponds C & C <br /> 12 Refuse Pile Pond-East (006) <br /> 13 Bus Garage Pond A (008) <br /> 14 Bus Garage Pond B <br /> 15 Bus Garage Pond C <br /> 16 Bath House Pond (009A) <br /> 17 Warehouse Pond (010) <br /> 18 Picnic Pond (020) <br /> 19 Slurry Pond <br /> 20 Sutey Ponds A & B (021) <br /> 21 Dutch Creek Channel Flume <br /> i Revised 6/91 <br />