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ADIT/ROCK TUNNEL AREA <br /> INDEX - ADIT/ROCK TUNNEL <br /> COAL BASIN MINE SITE <br /> Permit Location Reference Pg <br /> Vol . 2 App. II-B-3 Stream Buffer Variance 23 <br /> Conveyor Belt Line 66 <br /> Rock Tunnel Waste Disposal 72 <br /> Facility - Supporting Calculations - <br /> Geo-Hydro 7/84 <br /> Rock Tunnel Sediment Pond - 76 <br /> Calculations <br /> Ditches 81 <br /> Drainage Sump 99 <br /> Tunnel Pad Expansion T.R. 6 142 <br /> Modification - Tunnel Pad Expansion 158 <br /> 1/27/87 - Drainage <br /> Rock Tunnel Pond A - Spillway Design 167 <br /> M.R. 5 7/27/87 <br /> Vol . 2-A II-B App. Drainage Plan - Rock Tunnel - Geo- M <br /> 3-2 Hydro 7/84 <br /> Vol . 2-A II-B App. Diversion and Collection Ditches - M <br /> 3-4 Geo-Hydro 7/84 <br /> Vol . 2-A II-B App. Profile - New Channel Diversion 1/87 M <br /> 3-6 <br /> Vol . 3 App. II-B-7 Investigation of Ditch Designs - 9 <br /> Rock Tunnel & Sutey Refuse Areas - <br /> 4/16/89 <br /> Half Culvert for Rock Tunnel Waste 19 <br /> Pile Clean Water Ditch - 9/8/89 <br /> Ditch Capacities - Field 29 <br /> Measurements at Sutey, Rock Tunnel & <br /> Old Refuse Pile <br /> Index Prepared 6/91 <br /> Adit/Rock Tunnel Area <br /> xiii <br />