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Resources, Inc. , in the Coal Basin area. The proposed subsidence study area <br /> is located in both Pitkin and Gunnison Counties, Colorado. <br /> The proposed subsidence monitoring site over the multi-lift longwall <br /> panels is a very remote and rugged mountainous area. Elevations in the <br /> monitoring area vary from approximately 11,000 ft to 12,000 ft (Figure 2) . <br /> The overburden section above the coal seam is approximately 2000 to 2500 ft <br /> in thickness. <br /> Site Access: <br /> The Coal Basin area is reached by a paved road that extends from Redstone, <br /> Colorado to the Coal Basin Mine Office. From there, well maintained dirt <br /> haulage and access roads extend to the various mines in the Basin. <br /> The proposed subsidence monitoring area is accessed by a foot trail that <br /> begins on the haulage and access road near the No. 5 ne. The subsidence <br /> monitoring area lies approximately 1.5 miles from, and 2'100 ft in elevation <br /> above , the No. 5 ,'line road. 'A'alking time from the No. 5 'line road is about 3 <br /> hc'urs. <br /> Site Conditions : <br /> The proposed site location is in a rugged mountainous area that is par- <br /> tially forested. The area lies entirely within the White River and Gunnison <br /> National Forests . Tile construction of access roads to the area is impossiule <br /> because of county and U.S. Forest Service regulations. Because of this , the <br /> study area can be accessed only by foot, horse or helecopter. <br /> Beculas? Or lts eXtre( ely iiic?t elevation and severe 'Hinter weathe,r tf <br /> proposed monitoring area wi l l be i nacc >sabl e .'ur i ng t'r;e �'ri nt r. neat" <br /> and snow cover prohibit fi_id work from October throu71, the middle of Junc . <br />