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~Y u • ~~~ I ~ I~II~~ I~~ Wyoming fuel Compcny 12055 W. Second Place • P.O.Box15596 • Lakewood, Colorado 80215 • Telephone (303)989-5037 September 19, 1986 ~,~~,,~.,r;• ~~;r, Mr. Steve Renner, Hydrologist 423 Centennial Building 1313 Sherman Street Denver, Colorado 80203 RE: Response to Adequacy Issues, Technical Revision ~/3, Mine, Permit C-81-026 Dear Mr. Renner: 5 EP 191980 ir~L'I'~'1~ f-~1:.`,~;.i "~Gl~e~..l'„.°Iil'''!t: ~'~Ik..'. j^_^_-.ai. ~Il iV,fellial C~°:~n::i4i:v Reclamation of Canadian Strip By this letter Wyoming Fuel Company (WFC) is responding to the adequacy issues outlined in your letter of August 25, 1986. Following are responses to the adequacy issues: Facilities Removal WFC will remove all buildings and unnecessary equipment prior to completion of earthwork. Pit Reclamation 1. The 280,000 cubic yards of scraper dirt mentioned in the pit reclamation '/ . ~ discussion is essentially the material located from Station -2+00 to Station -16+00 on Figure No. 1. This total was arrived at by adding the earthwork volumes for the sections where a~6?38lscraper was used as shown on Exhibit 7. 2. The material adjacent to the coal stockpile is overburden and has been incorporated into the topographic configuration of the reclaimed area. 3. The pond has been designed to totally contain the runoff from a 10 year 24 hour event. if a 10 year 24 hour storm occurs, WFC will siphon or pump the pond down to elevation 8220.4 which will provide storage for a subsequent 10 year 24 hour event. 4. WFC will commit to a soil testing program. Parameters to be analyzed will be nitrogen, phosphorus, potassium and pH. Soil amendments will be applied as per soil tests. 5. WFC will, in most cases, drill seed. Broadcasting seed, as well as hydroseeding, will be other options. Straw or hay mulch will be applied at a rate of 2 tons per acre or an equivalent amount of hydromulch will be applied. Straw or hay mulch will be crimped in place.