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COAL BASIN MINE PERMIT APPLICATION <br />MID-CONTINENT RESOURCES, INC. <br />• ~ CARBONDALE, COLORADO <br />ATTACHI`4ENT II-B-App.7-3 <br />DAVID E. FLEMING COMPANY <br />PREPARATION PLANT AREA SURFACE DRAINAGE PLAN <br />TABLE OF CONTENTS <br />Subject Pages <br />Introduction - 1-8 <br />General Description 9 <br />Flood and Runoff Analysis 10 <br />Sedimentation Pond Design 11-16 <br />Stipulation Additions 17-18 <br />~~Zevised Pond Capacities I9-21 <br />Outside Barrier, Savage Shop Area 22-23 <br />Evaluation, Preparation Plant Collection Ditch 24-29 <br />Design of Slurry Pond Spillways 30-57 <br />Technical Revisions - Removal of Savage Pond 58-64 <br />LIST OF FIGURES <br />Number Subject Pages <br />1 General Facilities Location Map 6 <br />2 Preparation Plant Area Sedimentation Ponds 16 <br />LIST OF TABLES <br />Number Subject Page <br />1 Drainage Sub-basins for Preparation Plant Area 12 <br />. 2 Computation of Peak Discharges for Preparation Plant Area 13 <br /> <br />