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GCC Rio Grande, Inc., Cultural <br />project area. There are loamy soils of the Penrose-Minnequa complex in the northwest portion of <br />the project area around small drainages. The soils across most of the surveyed area were shallow, <br />light tan loamy soils with numerous small angular limestone pieces and occasional limestone <br />bedrock outcrops. <br />The climate of the project area is semiarid. The annual precipitation in Pueblo is 11.3 inches with <br />a mean January temperature of 30° F and a mean temperature in July of 77° F (Weathencom <br />2001). The vegetation in the project area is grassland community with various grasses such as <br />wheatgrass, grama, and needle-and-thread grass. There is stag-horn cholla in the drainages, and <br />yucca and prickly pear cactus throughout the area. There is a narrow band of riparian vegetation <br />with cottonwoods and willows bordering the St. Charles River (Zier and Kalasz 1999). The <br />larger mammals found in the area include deer and pronghorn. Buffalo were found in the area in <br />prehistoric times. Small mammals include a variety of rodents, rabbits, and skunk. Predators <br />found include the fox and coyote. There are a few species of snakes, including the western <br />rattlesnake, and various songbirds and raptors. <br />CULTURAL HISTORY AND PREVIOUS WORK <br />Previous Work <br />' A search of the files of the Office of Archaeology and Historic Preservation was conducted by <br />Greystone in June and November, 2001. The results indicate one previous survey east of the <br />project area for a transmission line conducted by Powers Elevation Company in 1995. One <br />' historic ditch, the Donnelly floodwater ditch (5PE 1915.1) was recorded during that survey. The <br />survey by URS in June 2001 recorded five historic resources (Mutaw 2002). These are a segment <br />of the historic ditch recorded earlier, the Donnelly Floodwater Ditch 5PE1915.2, the Edson Ditch <br />5PE4191.1, a segment of the historic Denver and Rio Grande (D&RG) Railroad, 5PE1776.8 <br />(now operated by the Union Pacific Railroad (UP)), a segment of the historic Colorado and <br />Southern (C&S) Railroad, 5PE4162.2 (now operated by the Burlington Northern and Santa Fe <br />Railroad (BNSF)), and a historic homestead, the Montoya homestead, 5PE4192. The only <br />resources that are considered to be eligible for the National Register of Historic Places (Register) <br />are the two railroads, 5PE1776.8 and 5PE4162.2. <br />Cultural History <br />Cultural resources include historical or archaeological objects, sites, buildings, structures, <br />districts, or traditional cultural properties. Significant historic properties include those sites or <br />objects that are listed in or eligible for listing in the Register. The project area is within the <br />Colorado prehistoric context for the Arkansas River Basin (Zier and Kalasz 1999) and the <br />Colorado Southern Frontier Historic Context.(Mehls and Carter 1984). <br />Prehistoric Context <br />The Arkansas River Basin context encompasses the portion of southeast Colorado that is drained <br />' by the Arkansas River. Like many other regions, the vast majority of cultural resources recorded <br />in this region are.known only from surface evidence and lack temporally diagnostic artifacts or <br />1180-Red Rock Class III CR Inventory(Apr.17,02) 2