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5 <br />was surveyed using tight zig-zag transects, with oscillations ranging from 15 to <br />30 meter intervals depending on terrain - i.e.. 15-20 meter intervals on open, <br />level to gently sloping terrain, and up to 30 meter intervals on steep or rugged <br />slopes. An area from the staked centerline to 150 feet from the centerline was <br />inspected on each side. At each drill location a 150 foot radius around the <br />staked location was inspected. A 100 foot wide corridor was surveyed for <br />proposed access improvements. Proposed access improvements for the present <br />survey all followed existing two-track roads or trails along existing fencelines. <br />Access corridor surveys included 3050 feet from an existing road to PEDS-4. 1600 <br />feet from existing PEDS-11 to PEDS-6, 2500 feet from PEDS-6 to PEDS-5. 1100 feet <br />from a previous survey corridor to PEDS-15 including access to PEDS-15-alternate. <br />and 150 feet from an existing road to PEDS-22. PEDS-7 and PEDS-23 are within 150 <br />feet of existing roads and any access improvement is within the 150 foot radius <br />survey area. <br />If cultural materials were discovered they were to be classified as sites <br />or isolated finds, documented on appropriate Colorado Cultural Resource Survey <br />forms, and their locations plotted on 7.5' USGS topographic maps. An isolated <br />find consists of five or fewer surface artifacts with no associated cultural <br />features and minimal potential deposition. A site would consist of five or more <br />artifacts within 50 meters of one another, or at least one cultural or structural <br />feature. For sites, the full extent of the site would be established, a site <br />sketch map would be drawn, and photographs would be taken of the site area and <br />any distinctive features. <br />Results <br />A total of 125 acres was surveyed for the presence of cultural resources. <br />This included 3.4 acres of federal surface and 36 acres of state surface. The <br />remaining areas were on private surface. Field conditions were very good to <br />excellent for the discovery of cultural resources, and the majority of the <br />project area did not contain areas of Holocene deposition that might contain <br />buried cultural resources. Nearly one half mile of the eastern end of the <br />seismic corridor crossed terraces and alluvial fans of the Yampa River Valley. <br />Most of this area, except along deeper coulees. is cultivated fields. The depth <br />of Holocene deposition could not be determined from surface survey. However, no <br />surface evidence of cultural resources was identified in the latter area, and <br />coulee cutbanks exhibited no evidence of intact buried surfaces or cultural <br />features. Two historic cultural resources were identified along the seismic <br />corridor. These were a previously recorded historic site (5MF456). and an <br />isolated find (5MF3978) consisting of abandoned farm equipment. These resources <br />are discussed briefly below. <br />5MF456 This historic site along Bell Rock Gulch was recorded in 1975 for <br />a proposed railroad corridor. At that time the site consisted of a small, <br />gabled, wood frame house. a storage structure, a dugout or root cellar, and a <br />fourth structure that was not described. Since that survey was completed. local <br />road improvements including a new road cut and a culvert replacement have <br />appreciably disturbed the site area. The present seismic corridor crosses the <br />previously recorded site area. All that could be found in the present survey was <br />