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SAN JUAN COUNTY ROAD DEPARTMENT <br />1512 Greene Street, P.O. Box 466 <br />Silverton , Colorado 81433 <br />970-387-5772-Fax 970-387-5019 <br />June 18, 2009 <br />Division of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />RE: Eureka Gravel Pit # M-1990-070 <br />San Juan County <br />The Eureka Gavel Pit M-1990-070 in San Juan County is and has been an <br />"inactive" mining gravel operation and some reclamation and safety measures <br />have been done at the pit site. The County is stockpiling gravel at the Eureka pit <br />that is being hauled in from the new private gravel operation two miles west of <br />Eureka. There has been X10 mining activity at this site in 2008 or 2009. <br />There has been some minor sloughing on the slope above the pit and that was <br />caused by the winter avalanche and spring snow melt and also from the dumping <br />of materials off of county roads #25 form last falls mudslides being removed and <br />pushed over the edge of the road. There has been NO major sloughing of <br />erosion in the last few years in the affected area. <br />San Juan County has meet most requirements set forth by the board and <br />recommendations by the Minerals and Geology it Spector. The County has done <br />the following steps to meet the MLRB requirements since 2004. <br />1. A catchment trench and berm was dug and constructed at the base of the <br />excavated slope in September of 2005. <br />2. County road #25 was widened and excavated materials pushed over the <br />so it can maybe fill some of the scarpe area above the excavated slope. <br />The County widened the road to between 25' and 30' to make travel safer <br />to the public. This was also done in September of 2005 and some slough <br />was removed and the road widened and bladed in the spring of 2008- <br />2009. <br />Louis Girodo <br />San Juan County Road Overseer