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Irerracon <br /> 301 N.Howes•P.O.Box 503 <br /> Fort Collins,Colorado 80521-0503 <br /> March 15, 2000 (970)484-0359 Fax:(970)484-0454 <br /> Connell Resources, Inc. <br /> 4305 East Harmony Road <br /> Fort Collins, Colorado 80525 <br /> Attn: Mr. William Welch <br /> Re: Proposed Timnath - Connell Pit <br /> Weekly Groundwater Monitoring <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 <br /> referenced project. Terracon monitored groundwater levels on a weekly basis through July 9, and then <br /> on a semi-monthly basis through October for Monitoring Well Nos. 1 through 5. After Monitoring Well <br /> Nos. 6 through 9 were installed in October of 1999, Terracon has been monitoring the wells on a semi- <br /> monthly basis. The following table shows the depth of where groundwater was measured from the <br /> ground surface elevations for Monitoring Well Nos. 1 through 9, starting on October 12, 1999. <br /> Monitoring;; Depth of Groundwater Below Ground Surface(ft) <br /> Date 1 2 3 4, 5 6 7 8 9 <br /> October 12, 1999 3.6 5.2 5.1 4.6 3.6 5.0 4.3 2.3 4.9 <br /> October 26, 1999 3.6 5.3 5.1 4.7 3.6 5.3 4.2 2.6 5.2 <br /> November 17, 1999 3.4 5.7 5.3 5.1 3.8 5.3 4.8 3.0 5.5 <br /> November 29, 1999 3.4 5.6 5.4 5.1 3.7 5.5 4.8 2.8 5.6 <br /> December 14, 1999 3.5 5.5 5.3 5.2 3.5 5.4 4.6 2.5 5.4 <br /> January 4, 2000 3.3 5.1 - 4.8 3.3 4.8 4.6 2.8 4.3 <br /> January 25, 2000 2.6 5.5 5.5 5.2 2.3 <br /> February 16, 2000 3.0 4.8 5.5 5.2 2.3 4.8 5.0 2.8 4.8 <br /> February 29, 2000 2.8 5.4 5.7 5.0 1.7 4.5 4.6 2.5 5.3 <br /> March 14, 2000 3.1 5.3 5.8 5.3 2.0 4.7 4.8 2.8 5.5 <br /> MAR 16 2000 <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 />