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~_ <br />Wit. <br />28 March 2008 <br />WesternFuels-Colorado Ms Marcia L. Talvitie, P.E. <br />P0. Box 628 <br />Nucla, Colorado 81424 Colorado Division of Reclamation, Mining and Safety <br />701 Camino del rio, Room 315 <br />Telephone 910/864-2165 Durango, Colorado 81301 <br />Fax 970/864-2168 <br />RE~~VED <br />APR 0 ~ 200 <br />Division ar rceciamation, <br />Mining and Safety <br />RE: 2007 Vegetation Sampling for Phase 3 Bond Release: Irrigated <br />Pasture and Dryland Pasture. New Horizon Mine, Permit C-81-008 <br />Dear Ms Talvitie: <br />Bio-Logic Environmental performed a vegetation study in 2007 on Western Fuels <br />Colorado Reclaimed Irrigated Pasture Fields and the Irrigated Pasture Reference <br />Area. The purpose of this vegetation study was to gather data for Phase II & III <br />reclamation bond release on portions of the mine reclaimed land. See Attachment <br />1 for the report. <br />For unknown reasons, Bio-Logic did not take enough "Reference Area Irrigated <br />Pasture Vegetation Samples" (See page Attachment 1-16, Table A-1) to meet <br />"statistical sample adequacy" as shown in the formula on page Attachment 1-6. <br />As can be seen in Table A1, page Attachment 1-16, only fifteen (15) samples <br />were taken and the minimum required samples per the formula is twenty-one <br />(21). <br />To salvage the hard work and data that Bio-Logic collected, WFC purposes that <br />artificial cover sample data points of the highest possible value (100% cover is <br />the highest possible value) be added to the Reference Area field data so the <br />