2006-06-22_REVISION - M1982015 (4)

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STATE OF COLORADO DIVISION OF MINERALS AND GEOLOGY Depamnent of Natural Resources 1313 Sherman St, Roan 215 Denver, Colorado 80203 Phone: (303) 8663567 FAX: (303) 832$106 June 22, 2006 Ms. Jodi Villa, P.E. Project Manager 143 Union Boulevard Suite 600 Lakewood, CO 80228 RE: Siegrist Construction Coml Permit No. M-1982-015; Extension Deaz Ms. Villa, The Division has received the al (May 23, 2006). Based on the D. that the proposed changes to the enough to constitute an amends March 29, 2006. The Division c of the St. Vrain River to be a suh application. COLORADO DIVISION O F MIN SRALS GEOLOGY 0.FC LANATION•NINING SAEETT•SCIENCE elil OWtl13 G01/erfl0f Russell George Executive DileRa Ronald w. campy Division Director Natursl Resource Trustee lany, Amendment to Current Amendment 112 Application, Clarification Information Requirements and Decision Date mt's response (June 12, 2006) to our initial adequacy review m's review of the materials submitted, it is our determination finally proposed reclamation plan are, at this time, significant to the application originally submitted for consideration on less the proposed installation of riprap along the entire reach ial enough change to constitute an amendment to the original As a result of the meeting held on June 22, 2006 (list of attendees enclosed), the Division has agreed to afford the applicant the opportunity to clarify the adequacy review responses received by the Division on June 12, 2006. The clarifications may or may not change the Division's determination. Specifically, information re required cross-sectional dia detailing the location(s) that assumptions. Upon receipt of information that 1 its preliminary review of the subn review will serve to determine ~ reclamation plan. As stated in F changes in the Reclamation Plan Permit Amendment. In the interim, the Division will us on June 12, 2006. Additional includes: proposed stream bank protection specifications, of the proposed stream bank protection components, map t bank protection will occur, and hydrologic and engineering litively addresses these concerns the Division will complete ion within 5 working days of receipt per Rule 1.8.1(6). This degree of significance the proposed changes pose to the 1.8.1(5), the Division will decide whether the proposed simply a clarification or require a Technical Revision or its second adequacy review of the response submitted to review concerns from this review aze forthcoming. Office of Office of Colorado Mined Land Reclamation Active and Inactive Mines Geological Survey