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EXHIBIT C <br /> MINING PLAN <br /> (a) Mining of the sand and gravel deposit is scheduled to commence approximately <br /> August 1, 2019 or once application is approved with the Division of Reclamation, Mining <br /> and Safety and end approximately December 31, 2029 or later if pit resources are still <br /> available. This proposed pit is intended to be an intermittent operation as defined in <br /> C.R.S. 34-32.5-103(11)(b) since construction material reserves will not be mined for <br /> more than 180 days per year. Measures will be taken to comply with reclamation and <br /> other necessary activities as established by the board to maintain the operation in a <br /> nonproducing state. <br /> (b) The estimated depth to which soil, suitable as a plant growth medium, will be salvaged <br /> for use in the reclamation process and will be approximately 5 inches. Topsoil will be <br /> stripped in phases to prevent erosion and stockpiled from the active mining area, mine <br /> traffic and any type of stream channel or drainage way. Approximately 2000 cubic yards <br /> of topsoil will be stockpiled on site. Topsoil will be stabilized with a vegetative cover <br /> until used in reclamation. Sloping of this stockpile will be no steeper than 3H:IV, and the <br /> slopes may be mulched with straw to prevent wind and water erosion. Stockpiles will <br /> likely be seeded with a suitable cover crop such as straw to minimize weed production. <br /> (c) The subsoil may contain quaternary alluvium and/or sedimentary waste rock to be <br /> removed to reach the deposit. The material will likely be many inches below the surface, <br /> and the thickness of overburden or quantity of waste rock is hard to determine until <br /> mining activity occurs. This overburden will be separately stockpiled in the same manner <br /> as topsoil mentioned in the above paragraph b. <br /> (d) The thickness of the sand and gravel deposit is substantial, ranging up to 72 inches in <br /> depth. <br /> (e) An access road will be built off of County Road 53. There will be no structures <br /> erected. Sand and gravel material will either be stockpiled or loaded directly onto county <br /> trucks for use on county roads only. <br /> (f) No disturbances, such as benches or impoundments will occur. There will be no <br /> improvements. Material stockpile dimensions will be determined to facilitate 3H:IV. <br /> (g) A haul road will be developed from County Road 53 to the active mining area. The <br /> haul road may need periodic grading to accommodate heavy truck traffic. The haul road <br /> will be a trail road, so it will be very minimal in width dimension.No drainage or runoff <br /> issues associated with this location. <br /> (h) There will be no water used in conjunction with the mining operation. <br />