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1 <br />Williams Fork and Upper Williams Fork Formation equivalents ss shown in Figure <br />' 6-1. The major coal seams are found in the Lower Williams Fork Formation. The <br />coals are generally associated with siltstones, mudstones and occasional channel <br />' sandstones. <br />6.2 Structure <br />' The exploration area is located on the southwest flank of the Red Wsah syncline, <br />an asymmetrical flexure on the northeast flank of the Rangely Anticline. The axis <br />of the syncline trends northwest/southeast and plunges to the southeast towards <br />t the much larger synclinal structure of the Piceance Basin. Strike within the area <br />is to the northwest. Dip within most of the area is approximately 7 degrees to <br />the northeast. As the synclinal aeis is approached, dip becomes nearly horizontal. <br />North of the synclinal axis, dip reverses steeply to the southwest, forming the <br />' nearly vertically dipping east/west trending hogbacks oP Coal Ridge. No faulting <br />is expected. <br />7.0 PROPOSED DRILLING SITES AND ACCESS <br />The exploration program for the proposed exploration license area may include the <br />drilling and logging of 33 exploration holes. The program would be conducted in <br />' phases. The first phase consisting of twelve exploration holes would be conducted <br />during the spring and summer of 1989. Provided the results of the first phase of <br />drilling justified continuing the program, the other 21 holes would be completed <br />in either 1990 or 1991. Plate 1 (in the pocket) shows the location of the access <br />' trails for the 33 proposed holes ss well ss the boundary of Deserado Mine leases <br />and the proposed exploration license boundary. The twelve holes to be drilled <br />during 1989 are highlighted in red. The other 21 holes are highlighted in green. <br />t <br />The 33 holes will result in surface disturbance of about 0.1 acre per location or <br />' a total of sbcut 3.3 acres. The access roads to the 33 holes would total about <br />35,500 feet in length and be about 10 feet wide. The total new surface disturbance <br />' for the access roads would therefore be about 8.1 acres. In the event that the <br />exploration program is not continued past the first phase, then surface disturbance <br />' would be considerably less. <br />6 <br /> <br />