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<br />(b) Plait Growth Medium Stockpiles. No topsoil will be removed by Applicant. <br />Accordingly, no plant growth medium stockpiles are indicated on Exhibit E -Map. <br />(c) Overb«rdeir Stockpiles. No overburden or waste rock will be removed by <br />Applicant. Accordingly, the only overburden or waste rock fills indicated on Exhibit E -Map, <br />are those left by previous operators. <br />(d) Thiclrness ojDeposit. Applicant has not conducted independent drilling [o <br />confirm the thickness of the deposit at the Mine. According to published reports, three pegmatite <br />dikes located on the east slope of Quartz Creek Valley, known as the "Brown Derby pegmatites," <br />have been studied extensively by the United States Geological Survey and the United Slates <br />Bureau of Mines. (See, for example, McLellan, R. R., "Brown Derby Pegmatites, Gunnison <br />County, Colorado, Report of Investigations 5204," United States Department of the Interior, <br />Bureau of Mines, April 1956 ("McLellan")). The Brown Derby Mine is located in the <br />uppermost and easternmost dike, known as "Dike No. 1." Dike No. 1 is lenticular in shape, and <br />of varying thickness. The maximum known thickness of Dike No. 1 is 28 feet (McLellan, at <br />page 5). <br />(e) Major Contparents ojMb:ing Operation <br />Road. The Mine may be reached by travelling approximately six miles northeast of <br />Partin, Colorado, on Highway 162. North of the Indian Head landmark, an existing access road <br />heads east from Highway 162, briefly crossing two parcels of private land. The access road next <br />crosses Bureau of Land Management ("BLM") land, and then briefly crosses United States <br />Forest Service ("USFS") lands in Section 34, Township 50 North, Range 3 East, New Mexico <br />Principal Meridian. The road returns to BLM land in Section 3, Township 49 North, Range 3 <br />East before reaching a turnoff to the Brown Derby Mine. The access road is approximately nvo <br />miles in length from Highway 162 to the Brown Derby Mine. The exact location of the access <br />road is shown on [he Location Map included in Exhibit A -Legal Description and Location <br />Map, and on Exhibit E-Map. Further information concerning Applicant's access to the Brown <br />Derby Mine is included in Exhibit G - Source of Legal Right to Enter. <br />Physical Plant. The existing man-made structures found on and within two hundred <br />(200) feet of the affected lands are described in Exhibit B -Site Description, Paragraph (b) and <br />aze identified on Exhibit E -Map. In accordance with the description of mining operations in <br />Part A of this Exhibit C, above, Applicant will load tourmaline specimens and lepidolite ore onto <br />a tnick at the entrance to the Mine. The specimens and ore will be transported offsite without <br />beneficiation of any kind at the Mine. Accordingly, Applicant does not anticipate constructing <br />any physical property, plant or equipment on the affected lands for [he conduct of its mining <br />operations. <br />Underground Mine, Mine Entrance. The first operations at the Mine during World War <br />II were entirely underground, through a drift driven approximately 70 feet into the mountainside. <br />In 1951, an open pit operation was begun at the portal by removing overburden to expose a <br />portion of the underground drift in the pegmatite dike which hosts the Mine. Once exposed, the <br />are was blasted and removed by truck. The prior operations resulted in a large mine entrance <br />approximately 25 feet squaze. Daylight is visible from all points in the underground mine. The <br />Exhibit C - 3 <br />