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_ , _. STATE OF MINED LAND RECLAMATION DIVISION Department of Natural Resources 1313 Sherman SI., Room 215 Denver, CO 80203 303 8663567 FA X: 303 832-810fi Roy Romer Governor DATE: January 24, 1990 T0: Cathy Begej FROM: Matt Hayes -I'~ ~- RE: 1990 Canadian Strip Mine (C-81-026) Mid-Term Review, Topsoil and Re vegetation Issues ~II ~I~~I~~I~~~~~~II 999 COLORADO pF' COQ .~ u~ ~,. •~~s'• Fretl R. Banta, Drvision D:renor Following are adequacy questions which I recommend be passed on to the operator. As you can guess, the permit application seems disorganized to someone who is not familiar with it. The application contains many commitments which resolved stipulations in Volume 4 in the Addendum and Communications sections. While these are part of the application, commitments located there often conflict with the information in the main body of the application. The Addendum sections were not referenced in the application. Adequacy letters associated with TR-03 and the 1987 Permit Renewal also contain commitments that should be inserted as part of the main application information. I. Topsoil 1. Topsoil Depth The permit application should be revised to reflect that only 6 inches of topsoil was required on the 81 acres that were reclaimed in the summer of 1987. Page 61 of the application states "Wyoming Fuel estimates sufficient soil available to cover the entire reclaimed land surface to a depth of approximately 21 inches." Appendix E reiterates this projection. While permit correspondence in the file notes that only 0,5 feet of topsoil was required for replacement in 1987, this information 1) conflicts with the main body of the application, and 2) is not referenced in the main body of the application. The application should also correctly specify how much topsoil was replaced on the disturbed area reclaimed in 1981. of For your information: Examination of page 19~Appendix E showed that in 1981 total of 49.9 acre feet of topsoil had been stripped. It was expected that 173.5 acrd feet of topsoil would be salvaged from Pit 2 which was never dist1. My guess is that 49.9 acre feet were thus available for the 81 acres reclaimed in 1987. Thus, only 0.5 feet of topsoil was available for reclamation.