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5 <br />• Canyon to the east, Puertecito Canyon to the south, and Cow Canyon to the west. This <br />entire azea has been inventoried. Beginning in early 1998. <br />Sedimentation Ponds: Sedimentation ponds will be built in the drainages that drain the surface <br />mine azea. These azeas have not been surveyed. It is estimated that an additional 550 <br />acres will be covered to include the sedimentation ponds within the 'surface mine <br />inventory azea. This will, in effect, round out the very convoluted boundary of the <br />surface mine as presently described, and should cover adequate azea for the construction <br />of these ponds and the routes by which construction equipment will access the proposed <br />pond locations from the surface mine azea. Concurrent with surface mine (presumed). <br />Load Out: A truck-to-rail loading facility is proposed at the mouth of Lorencito Canyon. This <br />will be used to transfer coal brought by truck from the mine to rail cars. A 40-acre block <br />(1320' square) was inventoried at the location of the proposed load out facility. Forty <br />acre tracts were inventoried at the point-specific facilities and development azeas in order <br />to accommodate some design change or locatio^ adjustment, since all inventoried <br />locations aze based on preliminary map information and have not been engineered on the <br />ground. Summer of 1997. <br />Rail Spur: Construction of a short rail spur connecting the load out with the existing Colorado <br />and Wyoming Railroad line is proposed. It will extend for a total of about 4000 feet, <br />including the portion within the block survey azea for the load out. With the exception <br />• of the portion within the load out block survey azea, this corridor has not been surveyed. <br />Surface inventory is not adequate for site discovery in many places along this corridor <br />because of the nature of the valley floor deposition and lack of surface visibility. The rail <br />spur corridor is included in the several development azeas where alternative means of site <br />discovery will be considered (see discussion in Part III, below). Summer of 1997. <br />Original Load Out: When azchaeological field work commenced in August of 1996, the load <br />out was proposed for the mouth of Puertecito Canyon, about one mile up Lorencito <br />Canyon from its current proposed location. This location was covered by two overlapping <br />40-acre tracts, for a total of 72 inventoried acres. At present, no facilities aze proposed <br />for this location, although a haul road to the Pl/P2 box cut (and on to the R3 and R4 <br />portals) will cross through this pazcel. Not part ojcurrent development plan. <br />Pl/P2 Boz Cut and Preparation Plant: The PI/P2 box cut and the original prepazation plant <br />location aze located next to one another in Lorencito Canyon. These azeas were covered <br />by two overlapping 40-acre inventory pazcels, for a total inventoried acreage of 76. The <br />prepazation plant is no longer part of the development plans, but the P1/P2 box cut is still <br />proposed. The haul road to the Pl/P2 box cut, and on to the R3 and R4 portals, will <br />cross through both 40-acre blocks. PI/P2 boz cut in mid 1999; preparation plant not part <br />of current development plan. <br />Haul Road to Pl/P2 Boz Cut: A haul road will be constructed in Lorencito Canyon to connect <br />• the P1/P2 box cut with the load out facility. Its estimated length is approximately three <br />miles. In addition to the haul road, the existing gravel road must remain in service and <br />