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<br />u <br />Site SDA1056 is the ground scatter at the head of an intermittent <br />drainage. The artifacts were located on the surface, in one case <br />on bedrock, and consist only of milling stones. The site is <br />interesting because it contains only milling stones and a large <br />number of grinding stones are represented, although many of these <br />are fragments. This was evidently a special use site to mill an <br />unknown food item. There does not appear to be much potential <br />for subsurface depth to the site as there is minimal to no soil <br />depth at this location. This site is not likely to yield <br />additional information important in prehistory. No further work <br />is recommended at the site. The quarry mining will have a 100 <br />foot setback from the rim of the butte and therefore this site, <br />lying at the edge of the butte, will not be affected by direct <br />' mining operations. <br />Site 5DA1057 is a small prehistoric quarry of a unique grade of <br />wall Mountain Tuff. Few culturally modified artifacts are <br />located at the site. However, one utilized artifact of stone <br />from this quarry was found nearby at isolated artifact, 5DA1060. <br />This quarry is of local interest as an unusual source material.... _.. <br />' The Wall Mountain Tuff occurs in a limited area, only in the <br />Castle Rock area. The identification of the prehistoric use of <br />the tuff for lithic material, as well as this specific grade of <br />tuff, in other areas or the region may provide information on <br />1 territory boundaries and use of this stone through time. <br />However, this site does not have the potential to yield <br />additional information. The quarry outcrops from the bedrock and <br />' there is limited soil depth at the edge of the mesa. No further <br />work is recommended at this site. Because the proposed mining <br />operations at the Winkler Light Aggregate Quarry will be set back <br />100 feet from the rim, this site will not be directly affected by <br />mining operations. <br />Site SDA1058 is an historic quarry for Wall Mountain Tuff. This <br />site has local significance for the Engl and Winkler Ranches <br />because it provided the natural stone for the ranch buildings. <br />The use of the rhyolite, the Wall Mountain Tuff, also has local <br />significance in this part of Douglas County because it was an <br />important commodity in the local region with the advent of the <br />railroad to transport the stone for building material to Denver <br />and Colorado Springs. The major quarries used to commercially <br />mine the Wall Mountain Tuff were connected by railroad spur to <br />access the building stone. This quarry was not one of the major <br />rhyolite quarries in the area. It is recommended that this site <br />does not meet the State Register criteria for being significant <br />in history for the area. No further work is recommended for this <br />site. The site will be affected by direct mining operations. <br />Site SDA1059 is a series of stone livestock fences and a stock <br />pond. This site exhibits the use of natural stone to provide <br />' 19 <br />L <br />