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~~~ V V V V C ENGINEERING <br />November 1, 2007 <br />61 I Skyline Road - Laramie, WY 82070 - (307) 742-0031 <br />FAX (307) 721-2913 - E-mail: infolar@wwcengineering.com <br />R~~°~aalED <br />N0~ ~ ~ 'L001 <br />Robert S. Dick and Kathryne Crawford <br />P.O. Box 776236 pivisio~' "`and Safety n, <br />Steamboat Springs, Colorado 80477-0168 Min-n9 <br />RE: Monitoring Well Abandonment/Transfer Ownership, Edna Mine <br />Dear Mr. Dick and Mrs. Crawford: <br />Chevron Mining Inc. (Chevron) has contracted WWC Engineering (WWC) to assist in <br />attaining bond release for the former Edna Mine, Permit Number C-80-001, located in Routt <br />County, Colorado. The Edna Mine is in permanent cessation, reclamation is nearly complete, <br />and the site is approaching potential final bond release. Prior to and during mining activities <br />numerous monitoring wells were drilled within and extending outside of the permit boundary. <br />The monitoring wells are constructed of steel/PVC casing ranging in diameter from 1 "-6" and <br />depth from tens to hundreds of feet. Most monitoring wells are completed with a 6" stick-up <br />above ground and a protective housing at the well head, however some wells are flush with <br />the ground. The construction of the monitoring wells was for observation not production. <br />The monitoring wells had numerous purposes including attaining water level andlor water <br />quality data. The referred monitoring wells have since been removed from the Edna Mine <br />groundwater monitoring program. These monitoring wells need to be either plugged and <br />abandoned in accordance with state regulations or transferred in ownership rights to the <br />current property owner prior to final bond release. The following monitoring wells are located <br />on your property (Figure 1): <br />• OS-O1-0006 <br />• OS-O1-0007 <br />• OS-O1-0008 <br />• 1C <br />• GMC3 <br />• GMC4 <br />• T2-1 <br />• T2-2 <br />• UNK-3 <br />