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Hernandez, Alysha <br />From: <br />Talvitie, Marcia <br />Sent: <br />Thursday, May 10, 2012 8:08 AM <br />To: <br />Ross Gubka <br />Cc: <br />Brown, Sandy; DRMS - Coal -Admin <br />Subject: <br />Lloyd Property Post - Mining Land Use <br />Hello, Ross <br />During my inspection on May 1, 2012, you mentioned that now that WFC has purchased the Lloyd property, it might be <br />beneficial to WFC to be able to shift the IP (25.62 acres) further to the west. This change would make use of a side roll <br />sprinkler feasible, in lieu of the currently approved gated pipe and furrows. <br />I discussed this issue with Sandy Brown upon my return to the office. A review of the permit has brought to light some <br />complicating factors. Post - mining topography and land use, as approved with PR -06, appears on Map 2.05.4 -5. It is not <br />clear that the reclaimed topography for the WFC (formerly Johnson) property, west of the Lloyd parcel, will be <br />conducive to the use of side roll sprinklers; the slope of the eastern side of the WFC parcel is noticeably steeper than <br />that on the Lloyd IP area. <br />A more significant issue may be the topsoil thickness. As shown on Map 2.05.4 -7, topsoil replacement thicknesses on <br />the eastern portion of the Lloyd parcel are an average of 21 inches. The average thickness for the western Lloyd and all <br />of the WFC parcel is only 13 inches. Revegetation success would be more difficult to achieve on the thinner soils. <br />If Western Fuels does choose to pursue a modification of the location of the IP acreage, a Technical Revision application <br />will be required. <br />Please let me know if you have any additional questions. <br />Marcia. <br />Marcia L. Talvitie, P.E. <br />Division of Reclamation, Mining and Safety <br />Durango Field Office <br />(970) 247 -1184 <br />C- 1981 -008 <br />General Documents <br />Gen. Correspondence <br />From: DRMS <br />To: Western Fuels- Colorado <br />