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1 <br />' EXHIBIT D (Cont'd) <br /> stage producing approximately 250,000 tons, ± 3,000 tons. <br /> In the far western portion of the deposit, where the sand <br />' and gravel is at its greatest thickness, mining stage <br /> areas are much smaller than in the east where the deposit <br />' is much thinner (see map Exhibit D). <br /> Soils and overburden will be removed, segregated and <br /> stored for reclamation. Overburden storage may be on any <br />' nearby stage, with the exception of the next stage to be <br /> excavated. The overburden will be returned to the reclama- <br /> tion areas as soon as feasible. The soil in the excavation <br /> area is usually classified as good soil for range. If <br /> necessary, a vegetative cover or other means will be used <br /> to protect the soil from deterioration while in storage. <br /> The pit is operated almost year-round, the only shut- <br /> downs being attributable to bad weather or a complete break- <br /> down in market. ~7ining equipment on location may include, <br />' but is not limited to, front-end loaders, dump trucks, back- <br /> hoes, scrapers and a water truck. Processing equipment may <br />, h <br /> er, screen- <br />include, but is not limited to, a portable crus <br />' ing and sizing equipment, a conveyor system and a power <br /> generator for the system. It should be noted that the process- <br />' ing equipment is portable and from time to time may be moved <br /> to other locations. Processing equipment is operated under <br />' i <br />i <br />i <br />t <br />l Di <br />l <br />C <br /> s <br />on, <br />on <br />on <br />ro <br />v <br />ut <br />Colorado Department of Health, Air Pol <br />' Emissio^ Permit No. C-11,368(FD) (see Exhibit N). Stater <br /> for dust control in connection with this equipment use is <br />' <br /> 6 <br /> <br /> <br />