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PERMIT #: M-1977-347 <br />INSPECTOR'S INITIALS: ECS <br />INSPECTION DATE: June 30, 2015 <br />OBSERVATIONS <br />This was a routine monitoring inspection for an active 112c limestone quarry permit conducted by Eric Scott of <br />DRMS for the Holcim Slab Canyon site. DRMS accompanied permittee representative Michael Toelle to the <br />site at approximately 1045 and toured the site with him. <br />The required site entrance posting was present, but the site boundary markers need to be refreshed and/or <br />replaced. <br />Mining at this site has ceased a number of years ago (inactive for at least 12 years). The upper portion of the <br />site has been reclaimed and a cell phone tower has been constructed as described in AM01 and TR01. The <br />reclamation of this upper portion of the site is establishing well at this time, and the grasses and evergreen <br />trees on the vegetation "islands" seem to be thriving. <br />As stated in the previous inspection, reclamation still needs to take place over the remainder of the site. As <br />stated on the first page of this report, the act and rule state that reclamation should be completed within five <br />years after mining ceases. Re -grading of remaining areas with steep slopes (including the small open pit near <br />the base of the site), spreading of any available soils, and revegetation in accordance with the approved <br />reclamation plan should be undertaken as soon as possible. If changes to the approved reclamation plan need <br />to be made by the operator to more accurately address the current conditions, and facilitate the release of the <br />site, a Technical Revision should be submitted to the Division for review and approval. <br />At a minimum, portions of the site will need to be re -graded to eliminate the steep walls in the disturbed area, <br />and a suitable growth medium will need to be placed over the disturbed areas to support successful <br />revegetation. A weed control plan will likely need to be implemented to keep noxious weeds from becoming <br />established during the early phases of revegetation. Mr. Toelle stated that the remaining reclamation work for <br />the site was undergoing a re -bid after the previous contractor became unavailable, but that the work would <br />commence in the summer of 2015 with the intention of being seeded later in the fall. <br />Inspection Contact Address <br />Michael Toelle <br />Holcim (US) Inc. <br />3500 Highway 120 <br />Florence, CO 81226 <br />Page 2 of 4 <br />