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~~~ IIIIIIIIIiIIi III <br />999 <br />14300 Highway 12 <br />Weston, Colorado 81091 <br />(71s)sss-2761 <br />Purchasing (719) 868-2768 <br />Fax (719)868-2275 <br />BASIN <br />RESOURCES, tNe. <br />a subsidiary of ENTECH, Inc. <br />Mr. Kent Gorham <br />Colorado Division of Minerals and Geology <br />1313 Sherman, Room 215 <br />Denver, CO 80203 <br />U=rF1~/F[~ Oc[ober3l, 1995 <br />NOV 0 3 1995 <br />DiviCion of wunetais Q CG6oIQQy <br />Subject: TR-39, Pond 004 and Culverts, Basin Resources, New Elk Mine. C-81-012 <br />Dear Mc Gorham, <br />Basin has revised the materials submit[ed under TR-39 in response to the adequacy letter of September 6, 1995. <br />1. A Pond 004 As-Built is provided for inclusion in Exhibit 19, to replace the figure found on page 10. 'This <br />figure includes a plan view. across-section showing the top of the primary spillway riser, the orifice <br />elevations and sizes, the maximum storage elevation, the emergency spillway elevation and configuration, and <br />embankment specifications. Page 9 can be eliminated and should be replaced by the SEDCAD+ run. <br />2. Three copies of Map 13 arc enclosed. Anew map l3A has bun added to show more detail at the Ioadout <br />area. Three copies of that map are also enclosed. <br />3. The third page of Table 21 has been revised with storm sizing information about Culvert 60. <br />This submittal includes new SEDCAD+ runs and design information for miscellaneous culverts at the mine, <br />including re-routing a ditch from [he north side of the Prep Plant along the west side. In addition, there :tre changes <br />to the culverts neaz the Breaker Building, the scale/loadout area, the lab, and the non-coal waste area. <br />Please do not hesitate to call if you have any questions. <br />Sincerely, <br />.~~~~/~ <br />GC i <br />Ralph Lap ngineer <br />Basin Resources <br />Attachments: <br />Exhibit 19 - Pottd 004 Plan View <br />Map 13&13A <br />Page 2.05-14 (Third page of Table 21) <br />Miscellaneous SEDCAD+ and design information <br /> <br />