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Exhibit H ( f ) UtJITED STATE'S So i 1 DEPAP,TI•IENT OF Conservation 422 East First AGRICULTURE Service Trinidad, CO 81082 Marl:: Kerr July 22, 1987 1828 S Marion Street Denver, CO 80210 ' Per. I:err: In re=_phnne to your phone call of July 22, I am giving you our'•seeding r_commendatien for sites such as yours. After excavation, the area mined will be restored to native •vegetative ~n,~pr Enough topsoil should be stockpiled in order to plate or bacl:fill any disturbed area with a minirnurr~ of at least four (4) inches of topsoil. All slopes after excavation should be graded to a minimum of 4:1. This will 31101U for establishment of permanent: vegetative cover, The seedbed should be as clean and firm as; possible prior to planting. It would be desirable to use a grass drill equipped with depth bands and packer wheels. A mixture of eight (8) pounds pure live sued to the acre of Barton 1.'estern vrheatgrass and four and one half (4.5) pounds per acre pure live seed of Vaughn or E1 Reno sideoats grarna should be planted. A trace amount of 1~lountain I.lahogany shrub could be added to this mi;;ture, The sending should be mulched. If a straw er hay mulch is used a minimum of 4000 pounds per acre of a;r dry.mu~lch should be used. The mulch would be crimped into the sail followinsl the seeding operation. Any seeding should be done in either earll~ spring or late enough in the fall so that .germination will not occur until the. next spring. Any se?ding should be protected from grazing er trampling for a minimum of two (2) full growing season=_ fallowing treatment. To the best of my I<:nowledge ther ar•e no endangered plants in this area that would be effected by an,y mining operation. If you hav=_ any further questions please contact this office. ' Sincerely Bill Watson ^istrict Conservationist