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DESCRIPTION %CLAY %SILT %SAND <br />Loam-Clay Loam 27 47 26 <br />Clay Loam-Silty/Clay Loam 37 43 20 <br />Pit walls have been pre-split or trim-blasted to an angle of 65 degrees to the horizontal. Blasting was conducted in <br />accordance wish all regulations and procedures presented in the Minor Revision of Technical Revision to Permit <br />No. 79-177, Area 1, Final Pit. The 68,000 bcy of blasted rock was utilized to partially backfill the old Area 2 <br />dragline pit, presently serving as the portal area to the 6,860 foot elevation, as described above. Highwall <br />modification and partial backfilling were designed to provide greater safety and enhance stability for the entrances, <br />by initiating the rock tunnels used for permanent entries in competent sandstone. <br />Detailed cross-sections of the final-cut that is being utilized as the staging area for the Foidel Creek Underground <br />Mine aze shown on Map 25, Surface Area Cross-Sections. <br />The spoils to the south of the portal azea were dozed down to a 2H:1 V slope to comply with stability requirements. <br />Three slope stability monuments have been installed as shown on Map 24, Surface Facilities and Freshwater <br />Systems. Past monitoring results indicate the slopes to be stable. Monuments will continue to be monitored and <br />the results submitted to CMLRD annually. <br /> <br />r-~ <br />U <br />TR07-59 2.05-53.1 02/27/07 <br />