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Pequot Lakes Staff Report 4(a) - 6 March 19, 2015 B. Air quality, dust, and noise control measures and the ability to limit impact upon adjacent residential properties according to MPCA standards. C. The extent that the proposed extractive use, or its accessory uses, impact the groundwater. D. The ability of the applicant to control erosion and sedimentation that may result from the proposed use. E. The impact on the natural resources contained in the watershed in which the proposed extractive use is located and the ability of the applicant to avoid or mitigate any impacts. 4. Rehabilitation. To guarantee the restoration, rehabilitation, and reclamation of mined-out areas, every applicant granted an extraction/mining permit as herein provided shall furnish a performance bond running to the City in an amount to be determined by the City Engineer, and acceptable to the Planning Commission, as a guarantee that such applicant, in restoring, reclaiming, and rehabilitating such land and haul road, shall, within a reasonable time and to the satisfaction of the City meet the following minimum requirements: A. Surface rehabilitation. All excavation areas shall be graded or backfilled to contour and shape the peaks and depressions thereof, so as to produce a gently drained surface that will minimize erosion due to rainfall and which will be in substantial conformity to the adjoining land area. Four (4) inches of black topsoil shall be placed on all areas, except beaches, that will remain above water level. Haul roads will be restored to their condition prior to the beginning of the extraction operation, B. Vegetation. Vegetation shall be restored by appropriate seeds of grasses or planting of shrubs or trees in all parts of said mining area where such area is not to be submerged under water as herein above provided. C. Banks of excavation not backfilled. The banks of all excavation not backfilled shall be sloped not steeper than three (3) feet horizontal to one (1) foot vertical and said bank shall require the establishment of vegetation. D. Reclamation of extractive use sites and designated haul roads shall be completed within one (1) year after the cessation of the operation, unless modified by the CUP.