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• RWe 2: Permits <br />LCC will utilize its water rights from the above-referenced ditches or such additional water rights <br />presented in Table 2.04.7-5 as necessary, for augmentation of all water uses on the Lorencito <br />Tract pursuant to a properly approved Substitute Water Supply Plan and/or Plan of Augmentation. <br />This plan will specify the necessary points of diversion on or adjacent to the Tract and storage in <br />an adequate facility to allow year-round water use for the mining operations. <br />2.04.8 CLIMATOLOGICAL INFORMATION <br />The climatological information for the Lorencito Canyon Mine has been estimated using the <br />historical records from North Lake and the Trinidad Airport. A climatology for the Lorencito site <br />is extrapolated from these two sets of climatic data because no information exists for the mine site. <br />The Trinidad Airport at latitude 37° 15' North, Longitude 104° 20' West at an elevation of 5,740 <br />feet above mean sea level (msl). The period of record for the Trinidad climatology is 1948 to <br />1995. North Lake is located at latitude 37° 13' North, 105° 03' West at an elevation of 8,810 feet <br />msl. The period of record for the North Lake climatology is 1948 to 1980. <br />Temperature and precipitation vary with changes of elevation. A direct linear extrapolation was <br />done to estimate the climate at the lowest and highest elevations of the Lorencito Canyon Mine <br />site. This was done by the following formula: <br />• PL = PT + ((EL - ET) / (EN - ET)) * (PNL - PT) <br />where: <br />PL =estimated climatology value at Lorencito at either 6600 or 7200 feet msl <br />PT =measured climatology value at Trinidad <br />PNL =measured climatology value at North Lake <br />EL =elevation at Lorencito Canyon Mine (6600 and 7200 feet msl) <br />ET =elevation at Trinidad Airport (5740 feet msl) <br />EN =elevation at North Lake (8810 feet msl). <br />The resulting climatology of the Lorencito Canyon Mine site is shown in Table 2.04.8-1. <br />r1 <br />L_J <br />PERMIT.~'IS\DCSmber Z0. 1996 2.04-37 <br />