Laserfiche WebLink
TABLE 1 <br /> FLATIRON SAND AND GRAVEL COMPANY <br /> Deepe Farm Plant <br /> Boulder County, Colorado <br /> SIEVE ANALYSIS <br /> SCREEN SIZE PERCENT PASSING <br /> 12" 100 <br /> 3" 100 <br /> 2-1/2" 100 <br /> 2" 93 <br /> 1-1/2" 86 <br /> 1" 77 <br /> 3/4" 72 <br /> 1/2" 67 <br /> 3/8" 63 <br /> =4 56 <br /> €8 49 <br /> a16 40 <br /> 030 28 <br /> 50 19 <br /> r100 12 <br /> #200 7.9 <br /> PLASTIC LIMIT - NON-PLASTIC <br /> 134. 5 LBS./CUBIC FOOT AT 7.5% MOISTURE <br /> Hydraulic conductivity is approximately 0.035 cm/sec. (748 gal/day/ft') , <br /> estimated from, "Dewatering and Groundwater Control , " Army TM 5-818-5, <br /> Headquarters Department of the Army, Air Force, and Navy, Washington, D.C. , 15 <br /> November, 1983. Page 3-6, Figure 3-4. <br />