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Western 14 wm im,copa1a <br /> Box 21588 <br /> Mobile Inc. 999 Denver,Colorado 80121-1425 <br /> 303 426 7166 <br /> FAX 303-428-5469 <br /> February 12 , 1990 <br /> Dan I. Hernandez <br /> Mined Land Reclamation Division <br /> 1313 Sherman St. , Room 215 <br /> Denver, CO 80203-2273 <br /> Dear Dan: <br /> Rocky Mountain Consultants, Inc. did calculations on the <br /> permeability of the Deepe Pit Alluvion and a field test of <br /> the dewatering trench, which is included. <br /> All of the figures fall within Leonard Rice ' s report. <br /> Therefore, we fill his figures our good. <br /> We do not plan on using this theoretical inflation to protect <br /> ourselves and adjacent property owners. We intend to rely <br /> on the pezometers to determine the effect of the pit <br /> dewatering. <br /> Sincerely, <br /> ^� <br /> Frank M. Graham, Jr. <br /> Land & Resource Manager <br /> FMGJ:am (rmccalc.wp) <br /> Enclosures <br /> RECEIVED <br /> FES 13 1990 <br /> MINED LAND <br /> RECLAMATION DIVISION <br />