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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />December 10, 2010 <br />William Van Valkenburg <br />Van Valkenburg Gravel Pit <br />12353 Hwy 14 <br />Walden, Colorado 80430-8020 <br />Re: Van Valkenburg Gravel Pit, File No. M-2005-003 <br />Request for Corrective Action Extension - Boundary Markers <br />Dear Mr. Van Valkenburg: <br />COLORADO <br />D IV IS I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Mike King <br />Executive Director <br />Loretta E. Pineda <br />Director <br />The Division of Reclamation, Mining and Safety (Division) has received and approved your letter requesting an <br />extension to the corrective action date to install permit boundary markers in concrete. <br />The new corrective action due date is May 1, 2011. <br />In your letter you stated, the pit area was surveyed earlier and later affirmed by Lafarge with a GPS <br />instrument that the markers were up and correct. Please note the Division was unable to observe the <br />northern and northeastern boundary markers during the July 20, 2010 and November 11, 2010 inspections. <br />Rule 3.1.12 requires the boundaries of the affected area to be marked by monuments or other markers that <br />are clearly visible and adequate to delineate such boundaries. The Division expects the entire permit <br />boundary to be marked correctly by the extended corrective action due date. <br />I am sorry for the scheduling error which occurred during the last inspection. I was delayed by another <br />inspection and did not realize you intended to accompany me during the inspection. <br />A copy of a NRCS seed mix dated 10/25/10 was attached with your letter to the-Division. your intention is to revise the reclamation seed mixture for the site, please submit the revised <br /> seed mixture as a technical <br />revision to the permit, per Rule 1.9, with the required $216 fee. A copy of Rule 1.9 is attached for reference. <br />If you have any questions, please do not hesitate to call me at (303) 866-3567 Ext. 8124. <br />Sincerely, <br />/VX <br />Peter S. Hays <br />Environmental Protection Specialist <br />Cc: Tony Waldron; DRMS <br />Office of Office of <br />. .. 1 . 1 - 1 . - - --_..-- . - !`_.....A 1.......?:.... - ll............ A ...:. ........A 1. --I:. ... KA:......