2017-05-05_REVISION - M2015033 - Laserfiche WebLink

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Exhibit D- Mining Plan or will otherwise be relocated in cooperation with their owners or other responsible parties where they conflict within the interior of planned extraction. Buried oil and gas lines are estimated, and extraction and offset of operations are approximate and will be determined in the field in cooperation with the Utility Notification Center of Colorado. It should be noted that a homestead and yard with outbuildings occupies 1.50± acres and acts to divide the north central permit boundary. The access road leading to the homestead has an active easement for operations which will be used as secondary access for light vehicles and equipment. Immediately south of the residential yard, existing facilities prevent the area from being used other than as a storage or parking area for vehicles, equipment (including heavy equipment), supplies, or other operational support purposes. This location is fully disturbed by prior agricultural and landowner purposes. This may also include the placement or construction of storage structures and materials. The primary access for heavy equipment, service vehicles, haul trucks and related traffic is located along an established access road that traverses the east line of the permit boundary. Both access roads intersect Weld County Road 28 that flanks the northern extent of the permit boundary. A grader and water truck maintain access within the permit area as necessary throughout operations. The aggregate deposit varies in composition, depth and extent. Generally, depths are shallower toward the southeast, trending deeper toward the northwest, and are consistent with the gradient flow of groundwater which appears to be at stasis near elevation 4795 feet. Tract B (East Basin) falls from 15-45± feet and Tract A (West Basin) from 35-60± feet from the surface to the underlying unconsolidated bottom. Unconsolidated suitably derived on-site material may be used for diverse purposes, including commercial products, or the re-grading of the extracted basin. These same materials may also be used to line the completed basins (refer to Exhibit G — Water Resources, Part 6 for details on how completed basins will be lined, if lined). Whether lined or unlined, the basins form the primary end use as developed water resource, and will be utilized accordingly. To facilitate dry extraction of overburden and aggregate, groundwater will be discharged from the areas of active extraction at one or more of the three designated discharge locations identified on Exhibit C-2: Extraction Plan Map. Discharge of waters will be conducted under an approved Colorado Dept. of Health discharge permit, as indicated under Exhibit M— Other Permits. Varra Companies, Inc. OMLR 112 Permit Application 3 Parcel 122—Resource Development Project 20 April 2017