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October 9, 2000 <br /> Connell Resources, Inc. <br /> Irerracon <br /> 4305 East Harmon Road 301 N.Howes e P.O.Box 503 <br /> y Fort Collins.Colorado 80521-0503 <br /> Fort Collins, Colorado 80525 (970)484-0359 Fax:(970)484-0454 <br /> Attn: Mr. William Welch <br /> Re: Proposed Timnath - Connell Pit <br /> Bi-Monthly Groundwater Monitoring Episodes <br /> Terracon Project No. 20985110 <br /> Dear Mr. Welch, <br /> On April 7, April 8, and October 4, 1999, Terracon installed nine piezometer wells for the above referenced project as <br /> requested for purposes of monitoring the groundwater levels during the mining and extraction operations. Terracon has <br /> been requested to monitor the groundwater levels on a bi-monthly basis until further notice. The following table shows <br /> the depth of where groundwater was measured from the ground surface elevations for Monitoring Well/Piezometer Nos. <br /> 1 through 9 for the 10 most recent monitoring episodes for the year of 2000. <br /> :Depth of Groundwater Beto+NlGround Surface(ftj" <br /> MonRoring Danis = <br /> 1 2 3 4 S 6 7 $ 8._.... <br /> May 9, 2000 3.1 4.8 4.1 1.5 5.8 7.5 3.3 3.0 4.3 <br /> May 24, 2000 5.0 4.5 8.5 6.5 (1) 1.5 6.5 9.3 5.0 <br /> June 7, 2000 ** 8.5 2.3 4.5 4.0 8.0 6.0 8.0 0.5 <br /> June 13, 2000 3.7 4.9 4.6 2.0 7.2 8.2 2.8 3.2 4.0 <br /> June 30, 2000 3.0 4.0 3.9 2.0 (1) 8.7 3.2 3.1 4.5 <br /> August 2, 2000 2.6 2.8 3.9 2.1 7.4 6.3 2.4 2.6 3.6 <br /> August 15, 2000 2.1 (1) 3.5 1.9 7.3 7.4 2.5 2.7 3.4 11 <br /> September 1, 2000 3.5 (1) 4.2 2.5 7.6 8.0 3.0 2.8 4.5 <br /> September 20, 2000 4.1 (1) 5.4 2.3 7.6 9.2 3.5 3.2 5.0 <br /> October 6, 2000 3.7 (1) 6.4 3.7 7.8 9.3 3.9 2.7 5.4 <br /> Notes: (1) Piezometer was inaccessible due to the on-going mining operations. <br /> Terracon will continue to monitor the piezometers indefinitely until further notice as requested. If you have any questions <br /> or require further information, please feel free to contact us at your convenience. <br /> Sincerely, <br /> 7avid <br /> ON 1 <br /> Richer, <br /> Geotechnical Engineer/Department Manager <br /> Copies to: Addressee (3) <br /> Tuttle-Applegate, Inc. (1): Mr. David Jones <br /> Arizona■ Arkansas ■ Colorado ■ Georgia ■ Idaho ■ Illinois ■ Iowa ■ Kansas ■ Kentucky ■ Minnesota ■ Missouri ■ Montana <br /> Nebraska■ Nevada■ New Mexico ■ Oklahoma■ Tennessee ■ Texas ■ Utah ■ Wisconsin ■ Wyoming <br /> Quality Engineering Since 1965 <br />