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Er~virogr~eqt, Iqc./ <br />LARRY E. O'BRIAN 7985 VANCE DRIVE, SUITE 205A <br />FOUNDER ARVADA,COLORAD080003 <br />303-423-7297 <br />FAX 303-423-7599 <br />March 15, 2007 <br />RECEIVED <br />Mr. Carl Mount <br />Division of Reclamation, Mining & Safety ;/ MAR 1 5 2007 r/ <br />Minerals Section <br />1313 Sherman Street, Suite 215 Division of Reclamation, <br />Denver, Colorado 80203 Mining and Saf@ty <br />Dear Carl; <br />Re: Thompson Pro rties - Thompson Resource `mar/` ~~,/ <br />M-1983-102 Grand County, Colorado ~' <br />Technical Revision - Drillin_g_P1 <br />On behalf of my client Thompson Properties I am filling this <br />Technical Revision to address the drilling and ground water level <br />monitoring plan required by the Mined Land Reclamation Board at the <br />February 2007 hearing. As a reminder, the Board order will say it <br />must be submitted and approved before the April 13, 2007. Attached <br />are two copies of the draft drilling and monitoring plan prepared by <br />ERO resources. It outlines the location of the 3 additional monitor- <br />ing wells to be placed on the Thompson property and the frequency of <br />monitoring and reporting. It is in draft form as suggested so the <br />Division and the objectors can review it and make suggestions on <br />changes prior to drilling. A final plan will be submitted once the <br />Division has reviewed and approved the plan. Thompson Properties <br />propose to drill-the wells as soon as weather and ground conditions <br />permit. It may be mid April before the snow cover and ground moisture <br />levels will allow access to the well locations by a drill rig. The <br />quarterly monitoring will begin once the drilling is done. <br />Attached is a check for $188.00 from Environment, Inc. to cover <br />the Technical Revision fee. If you have any questions please call me. <br />Respectfully submitted, <br />Environment, Inc. <br />~~,Cj~'~ <br />Stevan L. O'Brian <br />President <br />enclosures <br />cc: Thompson Properties <br />Sharon Spurlin <br />Jill Hansen <br />file <br />