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The letter supplied by Boulder County Land Use Department does not satisfy the Division's <br />requirement that the cement kiln facility can remain in place as part of the post mining land use. <br />Please be aware that the reclamation plan includes the cement kiln facility in the permit area of <br />the Lyons Mine, and the area is slated to be reclaimed as "irrigated pasture" (see attached copy <br />of 1977 Reclamation Plan Map). The Division was unable to locate any designation of a <br />postmining land use of "industrial/commercial" as stated by the operator in the DMG 1999 <br />inspection report. <br />Based on the information noted in the reclamation plan and letter from the Boulder County <br />Land Use Depaztment, the Division believes that the reclamation cost estimate for the Lyons <br />Mine will need to be updated to include demolition and decommission of the cement kiln <br />facility, and return the site to a postmining land use of "irrigated pasture." <br />If CEMEX wishes ro retain this facility as part of the postmining land use, and have it not be <br />subject to bonding, then the following must be submitted by November 29, 2002; <br />1. The plant site is slated to be reclaimed to a postmining land use of "irrigated pasture." In <br />order to retain the structures CEMEX will need to submit a Permit Amendment Application <br />changing this part of the postmining land use to "industrial/commercial." <br />2. CEMEX will need to provide a letter from Boulder County Land Use Department stating <br />that the cement kiln facility can remain as a part of the postmining land use once the <br />operation is no longer in use. <br />If the above mentioned items aze not submitted, the Division will make arrangements to conduct <br />an inspection of the site for purposes of revising the reclamation cost estimate. If you have any <br />questions, please do not hesitate to contact me at 303-866-4943. <br />Sin ely, <br />V~ <br />rica S. Crosby <br />Environmental Protec ' pecialist <br />Enclosure (copy of portion of 1977 Reclamation Plan Map) <br />cc: Carl Mount; DMG <br />John Lohr; CEMEX (w/enclosure) <br />