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• <br />SITE DESCRIPTION EXHIBIT B <br />1. Location and General Environmental Information <br />The site is located at 7200' elevation, 13 miles south of Walsenburg, Colorado. A Huerfano County <br />gravel road (Ideal Road or Road 330) provides access to within'/ mile from the property. As shown <br />on the general location map of Map Exhibit A-1, another gravel road provides the last''/z mile direct <br />access to the site. The site and the surrounding area have been used for dryland agriculture since the <br />area was homesteaded at the turn of the century. The area consists of large low-lying mesas dis- <br />sected by normally dry arroyos. Map Exhibit B-1 shows the site and the area nearby. The green ar- <br />eas along slopes are generally oak brush or other shrub vegetation while the flat mesas generally <br />consist of dryland grasses and fortis. There are no man-made structures within 200 feet of the pro- <br />posed operation other than the dirt road north of [he permit area which is County Road 317 and a <br />single phase powerline owned by San Isabel Electric Association, Inc. The road and powerline will <br />be unaffected by the operation, as described in this application. <br />Site Geology <br />The site is located in the general contact area between the Vermejo Formation and the Raton Forma- <br />tion, both of which are coal-bearing formations with interbedded sandtones, shales and siltstones. <br />Below the Vennejo Formation is [he Trinidad Sandstone, below which no coal seams exist. This is <br />underlain by the Pierre Shale, a very thick impermeable zone of shales and siltstones. The site is an <br />alluvial terrace of probably Pliestocene age resting on the Vermejo-Raton contact. The Spanish Peak <br />volcanics have contributed many dikes and sills into the area and are usually responsible for any <br />unusual steep walls or natural monuments. <br />Surface Hydrology <br />The permit area is located on a relatively flat area between two dry arroyos, the northernmost is a <br />tributary of Story Creek while the southern arroyo is a tributary of North Santa Clara Creek. Both <br />arroyos only flow in response [o large thundershower events or storms concurrent with spring thaw. <br />Ferrero Pit 2/00 <br />