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Enclosure - 1 <br />(Memo from Brock Bowles to Marcia Talvitie), dated March 17, 2011 to Western <br />Fuels Colorado. <br />1. Exhibit 2008-6, 2008 topsoil sample points - please clarify or correct <br />the discrepancies listed below for this map: <br />a. Include a legend that explains the crosshatching on the 2008 <br />topsoiled sections, the hexagon pattern on the road and the grid <br />size used for sampling locations. <br />(Cross hatching and color was added to the 2008 topsoiled <br />areas. Hexagon pattern on roads were removed. Grid size is <br />now noted in the legend area.) <br />b. Sampling points TS-51, 52, and 53 are located in the road. Is <br />this accurate? <br />(Points were offset at time of sampling; points have been <br />enlarged on map 2008-6 for easier location.) <br />c. The sampling point for TS-67 is unmarked on the map. <br />(TS-67 is located on the map in the upper section of the 2004 <br />topsoiled area; southeast of TS-66. The numbering in this area <br />is left to right, reflecting a prior pit sequence.) <br />d. The additional retopsoiled acreages listed in the 2007 topsoiled <br />block are not indicated on the map. Please include these areas <br />which are depicted in the 2007 ARR, Exhibit 2007-6. <br />(Retopsoiled area is now shown on the Exhibit) <br />e. It is unclear the topsoiling sequence east of the 1996 topsoiled <br />area. <br />(The lines east of 1997 have been thickened to better define <br />years/areas of topsoiling. Also, the Pit direction has changed <br />several times since the beginning of the Permit.) <br />2. Exhibit 2008-7, 2008 Backfill - Please clarify or correct the <br />discrepancies listed below for this map: <br />a. The 1996 legend symbol does not match the corresponding area <br />on the map. <br />(Legend & area now match.) <br />b. The area between 1996 and 1997 in not labeled clearly as to the <br />date of backfill and acreage. <br />(Removed 1197-projected backfill" to clarify the 1997 Backfill <br />Area.) <br />c. The legend has 2007 listed twice. <br />(Fixed error.) <br />d. Explain the 34 red points labeled with an SS on the map in the <br />legend. <br />(These are points for a soils study that was to evaluate the <br />potential for the sub-soil/ Bench 1 material for suitability of B <br />-1-