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<br />Mr. Al LaBelle <br />Project Number 8470 <br />May 26, 1.987 <br />Page Two <br /> <br />6,560,000 cubic yards in Sections 11, 14, 24, 25 and 38 of T5S, R65W of Arapahoe County, <br />Colorado. <br />A theoretical sample with aII the minus 200 material assumed to be washed out of the <br />material is presented on Table II. This gradation combines the results of our gradations <br />for all wimples except Test Boring No. 2W at a depth of 22 to 27 feet. As shown on <br />Table II, this washed material would generally meet specification requirements for drain <br />material at the Senac Dam Project. <br />If you have any questions regarding the contents of this letter, please do note hesitate to <br />call our office. <br />Sincerely, <br />DWM/ACGW/tla <br />Enclosures (4) <br />Statement of Services <br />A. G. WASSENAAR, INC. <br />,~i...z~.GJ ~/~ <br />David W. Myers <br />Senior Engineering Geologist <br />//l/l~ f.%~Q~aG~!/gtdt ~r ~. <br />Allen G. Wassenasr, P. E. <br />President <br />