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Seismic Survey <br />A seismic survey will be conducted on the New Horizon 1 permit to the north of the <br />active New Horizon 2 Mine. This area is also known as the Rice Tract or the Garvey <br />Tract. The goal of this program will be to determine the location of the highwall of the <br />reclaimed Peabody Nucla Mine. The information gathered from this survey will assist in <br />mine planning for the New Horizon North Mine permit, currently under DRMS review. <br />The seismic survey will consist of six seismic exploration lines across and perpendicular <br />to the suspected highwall (See Figure 1). Each line will be approximately 300 feet in <br />length and will ideally have a spacing interval of 13 feet between geophones. The <br />seismic source for the program will be located at the surface and will be a hammer plate <br />(sledgehammer on a steel plate). Data will be collected by computer and analyzed to <br />determine the location of the highwall. <br />Disturbance caused by the survey will be minimal to none. Most travel across the site <br />will be by foot, but pickup truck access will be required to move material to the site. <br />Work will be performed when the ground is dry to minimize impact. No reseeding or <br />other reclamation will be necessary. <br />Attachment 2.05.3(3) -23 -1 <br />12/02/2010 <br />