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Collom Area Geology Pre - Feasibility Report <br />1.0 Introduction and Project Location <br />Kennecott Energy Company's (KEC) Colowyo Mine, a member of the Rio Tinto <br />Group, is developing a large scale coal mining operation west of current <br />mining operations. The Collom Resource area exceeds 3,950 acres with <br />multiple areas having the potential for mine development. This report <br />focuses on the 'Collom Phase 1 & 2 Area" or simply the "Collom Mine Area" <br />(CMA). The CMA was highlighted through several studies as having the best <br />potential for long -term large -scale surface mining. <br />This report presents a summary of the geological work performed within the <br />CMA. Excerpts of previous reports have been incorporated into this report. <br />1.1 Location and Physiography <br />The CMA is located in southern Moffat County of northwestern Colorado <br />between the cities of Craig and Meeker (Figure 1.1). The CMA resides <br />approximately 5 miles west of Colowyo's current mining operations, <br />separated by Wilson Creek. <br />The CMA is accessible via "two- track" dirt roads located along ridge tops and <br />gulch bottoms. <br />The CMA physiography consists of broad north sloping ridges incised by <br />straight narrow gulches. The ridges are covered with range grasses, scrub <br />oak and sage brush. The gulch bottoms contain various grasses, sage brush <br />as well as thick growths of scrub oak and occasional stands of aspen trees. <br />The CMA is flanked to the west by Collom Gulch and to the east by West Fork <br />of Jubb Creek. These gulches contain small intermittent /perennial creeks. <br />The CMA is bisected by Little Collom Gulch that contains a small ephemeral <br />creek, see Plate 1.1. <br />Plate 1.1 <br />August 2005 Page 1 of 38 <br />