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• INTRODUCTION <br />To satisfy requirements of the State of Colorado and Federal <br />Office of Surface Mining for mining permit amendments this report has been <br />prepared to describe results of the archaeological survey conducted on the ~ <br />Peabody Coal Company 4-40's Property (Figure 1). The survey was conducted <br />under U.S. Department of the Interior Antiquities Act Permit No. 77-CO-046 <br />and under provisions of the Colorado Antiquities Act of 1973 and Colorado <br />Historic Register Act of 1975 on 3-4 November 1978 in the NiNz of Sec. 1, <br />T.SN., R.87W. by the Laboratory of Public Archaeology of Colorado State <br />University as subcontractor to Texas Instruments Incorporated. The <br />archaeological survey of the 4-40's Property was undertaken for purposes of <br />compliance with Federal Executive Order 11593, and all pertinent Federal and <br />state historic preservation laws. A summary of pertinent Federal and state <br />legislation is in Appendix B. <br />As indicated in Figure 2, all but a steep escarpment (55-70~G <br />• grade) in the northeast corner of the 160-acre 4-40's Property was surveyed. <br />Standard procedure dictates that areas of greater than 20~C need not be <br />surveyed because areas of steep slope usually do not contain cultural <br />resources and, if present, are out of their original context. <br />The property was covered by a series of east-west sweeps 50 m wide <br />by three crew members in two days. An outline of the methodology employed <br />is presented in the Appendix A. <br />RESULTS AND DISCUSSION <br />The 4-40's Property, located on a north-south ridge system, has an <br />elevation range of 7640 to 8000 feet. The ridge slopes gently upward to the <br />north and east to a narrow summit on the north boundary, then slopes to the <br />southeast with increasing steepness at the eastern boundary. Grassy Creek <br />is about 2 miles west of the property and Fish Creek drainage is 3-1/2 miles <br />to the south. The property is not drained by any seasonal drainages or <br />• permanent streams. No springs or natural lakes were observed during the <br />survey. A small man-made impoundment near the center of the property <br />I soiance ss~rlces dlrislon <br />