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Varra Companies, Inc. <br />Office of Special Projects <br />8120 Gage Street Frederick Colorado 80516 Telephone (970) 353-8310 Fax(970)353-4047 <br />6.4.4 Exhibit D - Mining Plan <br />5. Please specify the depth of overburden or waste rock that must be <br />removed to reach the deposit. <br />The deposit lies within the floodplain/floodway of the Cache La Poudre River. <br />The soils are poorly formed and fall within the category of soils known as <br />entisols and inceptisols that exhibit little to poor soil formation. The soil is <br />generally a product of agricultural practices which create a plow layer near the <br />upper six inches of the soil profile, to the extent it exists. Since soil formation <br />is poor it can also vary dramatically, resulting in little to no soil formation where <br />aggregate is directly exposed at the surface. <br />For these reasons, soil salvage will remove the upper six inches first, salvaging <br />what organic matter, fines, etc, that comprise what should be the `topsoil,' while <br />removing for processing, any exposed or underlying materials. Overburden, in <br />this instance is not anticipated, and that material not removed, or amended, for <br />purposes of resoiling affected lands, will be sold as construction materials, <br />including soils in excess of that needed to revegetate the resoiled areas. <br />6. The Mining Plan states the mean static ground water level is 8.0 feet from <br />the surface as indicated in a report prepared by Applegate Group, Inc. for the <br />Western Sugar Cooperative. Please provide the Division with a copy of the <br />Applegate Group report and any other sources that were used to characterize <br />the aquifer. <br />Drill logs were used from the Applegate Group report as a reasonable estimate <br />of groundwater elevations. The logs reveal deposit information and should be <br />treated by the Division as confidential, and are not included in attachments to <br />the copy of the submittal placed at Weld County Clerk to the Board of County <br />Commissioners. <br />Varra Companies, Inc. correspondence to the Colorado Office of Mined Land Reclamation (OMLR) 3 <br />in reply to OMLR correspondence of 4 October 2010 - Western Sugar Reclamation Land Development Project <br />- M-2010-049.