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Inc <br /> engineers • planners • surveyors <br /> February 6, 1990 <br /> Mr. Mac Graham <br /> Western Mobile, Inc. <br /> i 1400 West 64th Avenue <br /> P.O. Box 21588 <br /> Denver, Colorado 80221-2425 <br /> Gentlemen: <br /> Pursuant to your request, we have estimated the hydraulic conductivity and <br /> transmissivity for a sample of gravel from the Deepe Farm Plant in Boulder <br /> County, Colorado. It is our understanding that the requested estimate will be <br /> used for reclamation purposes. <br /> Western Mobile, Inc. provided us with sieve analysis, moisture content, and <br /> density data as listed in Table 1. Mr. Mac Graham informed us that the <br /> average saturated thickness at the Deepe Farm Plant is 8 feet. Based on this <br /> data, we estimate that the hydraulic conductivity is approximately 748 <br /> gallons/day/ square foot and the transmissivity is approximately 5,984 <br /> gallons/day/foot. <br /> If you have any questions or require additional information, please call . <br /> Sincerely, <br /> ROCKY MOUNTAIN CONSULTANTS, INC. <br /> Tom Hesemann, R.G. , C.E.G. <br /> Sr. Project Hydrogeologist <br /> TH: sp <br /> Attachment <br /> DEPT9/10/WESTMOB.LTR <br /> Rocky Mountain Consultants, Inc. <br /> 1960 Industrial Circle, Suite A, Longmont, Colorado 80501 303-772-5282 <br /> Offices also in Denver and Estes Park, CO Metro line: 665-6283 Fax No. 665-6959 <br />