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. '~ - • • <br />Mr. Bill York-Feirn AGFJ1 Project E94-7033 <br />Dowe Flats Mine November 15, 1994 <br />Lyons, CO Page 2 <br />No. 3: 4th Ridge Acid-Base Neutralization Tests <br />These data have been previously forwarded to the Division. The 4th Ridge has no acid <br />forming potential. No 4th Ridge material will be disturbed during the preliminary construction. <br />No. 4: Pre-Blast Surveys. Blast Monitoring <br />No blasting is required for the preliminary construction. <br />No. 5: Structures Within 200 Feet of the Affected Area <br />There are no structures within 200 feet of the area to be affected by the preliminary <br />construction. The construction activity is pier drilling and concrete pouring. There is almost <br />no chance of off-site damage. <br />No. 6: Financial Warrantv and Performance Warrantv <br />Southdown will forward a financial warranty to the Division in the amount of 5500,000.00 <br />to cover the preliminary construction, even though it is not part of the reclamation plan and <br />not subject to the bond requirement established by the Division. The standard performance <br />warranty recommended by the Division will be submitted. <br />Please let me or John Lohr (Southdown Plant Manager, 534-4206) know if you have any <br />questions. <br />Sincerely, <br />AG~A Earth & Environ/mental, Inc. <br />Paul Banks <br />Project Manager <br />cc: John Lohr, Southdown, Inc. <br />Mike Figgs, LREP, Inc. <br />®AGRA <br />Earth & Environmental <br />