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~LAFARG E <br />NORTH AMERICA <br />Construction Materials <br />demand for the mined product. For instance, an operator's reclamation plan may require the construction <br />of a 42-acre lake for recreational purposes post-mining, but once mining is underway, the deposit is <br />found to be smaller than calculated or, alternatively, there is reduced demand for the sand and gravel. <br />The operator would address either of these situations by revising the original mine plan and reclamation <br />plan so that the extent of mining would be reduced and a smaller lake would be constructed upon final <br />reclamation. Assuming the minimum construction standards were met, and the bond is adequate to <br />secure performance of the revised plan, then a revised permit with the component mine and reclamation <br />plans would be approved. <br />Similarly, changes in ownership can necessitate changes to an approved reclamation plan. Often times a <br />parcel of land is sold but the sand and gravel operator retains rights to the sand and gravel deposit. If [he <br />new landowner desires a final post-mining land use that differs from that provided for in the approved <br />reclamation plan, the operator can apply to the DMG to amend the existing plan. Changes to an original <br />reclamation plan, such as the change in lake size and shape at the Nelson Pit require a permit revision. A <br />past example of this is relates to the modification of the original Nelson Pit Reclamation Plan, see <br />enclosed 4/29/74 and 9/85 maps, which resulted from both a change in ownership and a desire to <br />minimize evaporative water losses, <br />Since Lafarge and the owners of the Nelson Pit are free to adjust the post mining land use of the Nelson <br />property, and therefore, the type of reclamation to be completed, we are not committed to any particular <br />form of reclamation. Therefore, even though the MLRB permit can accommodate the creation of aquatic <br />resources at a site like the Nelson Pit, this post mining land use is not ultimately mandated by the State's <br />reclamation program. <br />For additional information regazding MLRB reclamation requirements and policies, or for confirmation <br />of the content of this letter, please contact: Bruce Humphries, Supervisor, Minerals Section, DMG at <br />303-866-4925. <br />Please do not hesitate to call me if you have questions or require additional information. We look <br />forward to the Corps soon issuing the Section 404 permit. <br />Best regards, <br />Su en ~- <br />Land Specialist <br />303-657421 <br />encl: 1974 Reclamation Plan <br />1985 Reclamation Plan <br />Reclamation Permit Application <br />cc: Bruce Humphries, DMG <br />LAFARGE NORTH AMERICA INC, -Lafarge Construction Materials <br />1400 West 64°1 Avenue, Denver, Colorado 80221 <br />Telephone: (303) 657-4000 Facsimile: (303) 657-4037 <br />