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Chen&Associates Glen Road Casper <br /> Glenwood Sprirngs, Colorado 81601 Colorado Springs <br /> Consulting Geotechrncal Engineers 303 945-7458 Denver <br /> Salt Lake City <br /> September 17, 1984 <br /> Subject: Compaction Testing, Holding <br /> Pond, No. 2 Mine, Mid Continent <br /> Coal and Coke near Redstone, <br /> Colorado <br /> Job No. 4 354 84 <br /> Mid Continent Resources, Inc. <br /> P.O. Box 158 <br /> Carbondale, CO 81623 <br /> Attn: Mr. Tom Johansen <br /> Gentlemen: <br /> As requested, we have tested fill placement at the subject site <br /> during the period of August 27 through 31 , 1984. <br /> A total of 17 in-place density tests were taken at the No. 2 mine <br /> holding pond as directed by the project engineer. The results are <br /> presented in Daily Reports 1 through 5 attached. Typical on-site fill <br /> material was sampled for a moisture-relationship determination in <br /> accordance with ASTM D-698 requirements . The results are presented on <br /> the attached figure. <br /> Based on our test results, the areas tested meet the minimum 95% <br /> standard Proctor density requirements. <br /> We will be available for further testing upon notification. In the <br /> meantime, if you have any questions, please call . <br /> Sincerely, <br /> CHEN AND ASSOCIATES , INC . <br /> By �Froeschle <br /> Hans _ <br /> HF/sb <br /> %—.-d L��U �u Liu� <br />