2013-09-18_PERMIT FILE - M2013064 (8)

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Exhibit D- Mining Plan The site lies within the flood plain of the Cache La Poudre River, and overlies bedrock that varies in depth from 33 -47± feet, and averaging 40± feet. Near the southwest corner of the parcel, an existing groundwater well indicates a mean static ground water levels 18± feet from the surface. Alluvial groundwater is unconfined and flows generally east and toward the Poudre River. Underlying bedrock is likely to be a hard grey to sandy brown clay -stone or tightly cemented sandstone consistent with strata of the Laramie Formation or Pierre Shale which outcrop north and west of the site. Method of mining is presently dry, with discharge of waters conducted under an approved Colorado Dept. of Health discharge permit. The point of discharge is identified on Exhibit C -2: Extraction Plan Map. Extraction utilizes, but is not limited to, diverse heavy equipment; including, backhoes, scrapers, excavators, dozers and related heavy equipment. A grader and water truck maintain access throughout operations. Access is clearly indicated under Exhibit C -1: Existing Conditions and Exhibit C -2: Extraction Plan Map. Primary access is approximately 569± feet north of the intersection of 16th Street and Fern Avenue. The parcel is flanked on its western boundary by adjacent extraction operations. To the north, commercial and industrial uses flank the nearby Greeley Weld County Airport. Agriculture and rangeland extend along the east boundary, until reaching 16th Street, which forms the southern boundary with opposing low density mixed residential and agriculture uses. Access from the permit boundary will be south to 16th Street, or north to 8th Street. Wet and /or dry plant processing operations will occur near the southwest permit corner, just beyond the 100 year floodplain extent, as identified on Exhibit C -2: Extraction Plan Map. Plant operations are generally comprised of portable equipment. A small wash pond will be established within and at the onset of extraction operations within South Field. Materials may be transported or conveyed to the adjacent Durham Project where it will be processed and scaled for sale until similar facilities are established within the approved permit boundary. Subsequent to on -site plant establishment, adjacent Durham Project plant operations may provide complementary or auxiliary support to such operations until the point of closure on those lands. Provisions for a material processing plant, a concrete and /or asphalt batch plant, and periodic use of recycling facilities and related plant, remain a necessary inclusion to operations under this permit. Any material processing facilities, recycling facilities, recycling plant, or concrete and /or asphalt batch plant locations will be determined and identified in a later Technical Revision to the approved permit, and are mentioned for purposes of establishing these activities as approved uses under this submittal. Known structures and landowners, including above and below ground utility owners, located on and within 200± ft. of the permit boundary are shown on Exhibit C -1: Existing Varra Companies, Inc. Varra- Coulson Resource Project 3 OMLR 112 Permit Application 8 August 2013