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The Leadville Mill M 1990-057 <br /> EXHIBIT C—MILL PLAN <br /> Page 4-1 <br /> 4 . 0 EXHIBIT C - MILL PLAN ( SEC 6 . 3 . 3 ) <br /> 4. 1 BACKGROUND <br /> The Mill (permitted under Calais Colorado Resources, Inc. Permit M1990-057) is <br /> scheduled to commence operations with mill closure to occur in 2040. The planned <br /> facility, with the reconstructed TSF (Section 4.3,Tailings Storage Facility), has sufficient <br /> capacity to operate approximately ' yeaF at 16Gtid0.5 years at 200tpd. <br /> Leadville Mining and Milling, Inc. constructed the mill in 1989 to process ore from the <br /> Hopemore Mine located 8mi east of the Mill. The mine and mill commenced <br /> production in 1989 and operated sporadically for less than t • ^ approximately 10 <br /> years. A building permit was obtained in December 1987 and certificates of occupancy <br /> (Sec. 7.0, Exhibit F) were issued for the crusher building on October 5, 1990 and the <br /> mill building on November 9, 1990. The Mill was originally selected-to: <br /> • Locate the tailings storage facility. <br /> • Mitigate the generation of airborne migration of dust from the tailings disposal <br /> area; <br /> • Isolate milling activities from neighbors and heavy traffic. <br /> • Locate in close proximity to electric power, water, and natural gas; and, <br /> • Minimize haulage distance within the mining district. <br /> The mill site is located in a heavily wooded area on the lee side of an east-west trending <br /> hill which affords maximum protection from the normal prevailing wind from the <br /> northwest. The mill maintains a minimum cleared area to afford a good firebreak <br /> distance around the buildings, roads and tailings storage area. <br /> The nearest inhabited buildings to the mill permit boundary is a structure (Mellott) <br /> (Benson) located about 550€t (190ft) northwest, a house (Mellott) (Fowler) located <br /> approximately 800ft west and a house (Wibbenmey^f) (Wood) located approximately <br /> 550ft west. <br /> Sec. 13, Exhibit L describes and illustrates the location of "Permanent Man-Made <br /> Structures" within 200ft of the permit boundary. <br /> The Mill and associated facilities are illustrated on Figure 6-2. <br />