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III IIIIIIII III 999 WYOMING FUEL COMPANY 141 Union Blvd., Suite 400 ~ P.O. Box 15596 ~ Lakewood, Colorado 80215 ~ Telephone (303) 989-037 August 16, 1990 Ms. Cathy Begej Reclamation Specialist Mined Land Reclamation Division 215 Centennial Bldg. 1313 Sherman Street Denver, CO 80203-2273 ~' ~~^~ ~~~ 1 ~ ~~^gr gAA,q ~~N ~~Uo. ~~t RE: Response to Phase ll Bond Release Adequacy Letter -Canadian Strip Mine Permit Nu. C-St-026 Dear Ms. Begej, Wyoming Fuel Company hereby submits the following responses to comments presented in your June 21, 1990 letter for the above referenced permit. Our responses are presented in the order of your letter and, where appropriate, revised pages, revised figures/maps, and additional material are included for insertion into the permit upon approval. 1. WFC bonded the Canadian Strip operation for an amount of $921,000 during the issuance of a permanent program permit in 1982. This bond was for current and proposed mining activities during that period. On July 16, 1987, the Division granted an administrative reduction in the bond which applied for only those areas of the mine permit area which were not disturbed as planned. This reduction was for $174,JJ0 from the original $921,000, leaving the bonding level at $746,450. Following the reclamation activities conducted during the summer and fall of 1987, the Division approved a $447,870 reduction of the bond in December, 1988. The bond was reduced from $746,450 to the current level of $298,580. WFC is currently applying for a complete Phase 11 bond release. As a result, it is requested that the bonding level be placed at the 85 percent of the original bond. That is, 85 percent of $746,450 which is $111,968, or a reduction of $186,6]2. The remaining bond will be utilized for maintenance throughout the remaining liability period and possible seeding should a revegetation failure occur. WFC has not included a bond for removal of the sediment ponds, as it is the landowners request that they remain to enhance the post mining land use. The $111,968 bond will be sufficient for maintenance of the property and any other situation which may occur during the remainder of the liability period. 2. The attached revised page 58 and new Figure 2A provide reclamation activities and seeding conducted on the property. Figure 2A shows the reclaimed topography for the entire disturbed area. 3. WFC has re-worked the soil erosion analysis using the SEDCAD+ Model (RUBLE). Results of this analysis are attached.