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Epvi*ropMei)t, lipc, <br />LARRY E. O'BRIAN <br />FOUNDER <br />October 16, 2009 <br />Mr. Berhan Keffelew <br />Division of Reclamation, Mining & Safety <br />1313 Sherman St., #205A <br />Denver, CO 80203 <br />Dear Mr. Berhan; <br />RE: Colorado Backhoe Service <br />The Orr Pit, M-2009-074 <br />Adequacy Response #1 <br />7985 VANCE DRIVE, SUITE 205A <br />ARVADA, COLORADO 80003 <br />303-423-7297 <br />FAX 303-423-7599 <br /> <br /> <br />On behalf of our client Colorado Backhoe Service, I will <br />respond to your October 5, 2009 adequacy review letter in the <br />order and number format presented in that document. <br />I) Exhibit B <br />I like our proposed seedmix works on other mines in this <br />area, creating a good cover of grass on the disturbed areas <br />and its cheap. You are correct in pointing out that the mix <br />is not consistent with the species listed in the Soils and <br />Vegetation Section for that reason we propose the following <br />seed mix. This mix will provide approximately 48 seeds/ <br />.sgft/ac to be consistent with the SCD's Critical Planting <br />Guidelines. <br />Species #'s PLS <br />Sideoats Grama 2.50 <br />Western Wheatgrass 3.00 <br />Little Bluestem 2.00 <br />Indian Ricegrass 3.00 <br />Needleandthread 3.50 ` <br />Total 14.00 <br />II) Exhibit C Mining Plan <br />1) This is original access for the property. The county re- <br />quires that this road be used since it has an approved <br />access point on County Road 33. The owners have said that <br />this road will become their primary access to the property <br />during development, so will remain when mining ends. Colo- <br />rado Backhoe Service will grade and shape the road when they <br />are using it but no major upgrade is planned nor is it <br />needed.