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GBEA Wagner Pit#M2023038,Owner&Operator:Twin Buttes Land Co LLC 04/10/2024, Page 30 of 65 <br /> Wagner Pit <br /> #M2023038 Waggoner Draw LT!Overburden <br /> =Pit Boundary <br /> 9.74 acres —Roads,AG/Mine(private) <br /> Largest Quantity of Overburden Intermittent <br /> 40 ft Contour <br /> 10 h Contour <br /> 1 ft Contour <br /> sod,Ranch tipit <br /> ti 1r, <br /> !l' Stone,Cobble �S , /„.1/4, <br /> ...----/ <br /> . _� otti <br /> , <br /> � <br /> \ , <br /> r <br /> ) '''''-- r <br /> I <br /> ti <br /> i ,/ <br /> 165001d^3 , `�o <br /> '' P sc <br /> h'9hKnob t �_l' 6240 \C <br /> ccess <br /> , , all <br /> , 7-- <br /> / Sty <br /> / �� <br /> V <br /> " <br /> 0 <br /> IBase Map <br /> 0 1-40 ft Contours <br /> DEM <br /> } 2J1 pixels,10 cm elev. <br /> • 2020 Data <br /> N . <br /> CIi <br /> r-- f <br /> I—L_J I I Feet ."4'..-.-t-- - <br /> 0 50 100 00 300 400 500 <br /> The extent of this map is all private property Twin Buttes Land Co LLC. April 2024 <br /> Map C-2. Overburden. <br /> Thickness of Sandstone and Cobble Deposits (d) <br /> The pit has three areas where the majority of the product is to be found. They are <br /> defined as: <br /> 1. The north slope (A), a limestone cobble (mixed with soil). <br /> 2. The High Knob (B), various sandstones. <br /> 3. The High Wall (C), various sandstones. <br /> Map C-3 (page C9) shows the location of each deposit and Table C-2 (page C9) lists the <br /> depths and estimated volumes. We should note the high degree of error that could be <br /> associated with the following figures. The depths of sandstones at the two locations <br /> were derived from walking the site, photos of each deposit, and the use of contours <br /> derived from a 2 ft DEM. While the cobble depth was estimated from a fresh dozer cut <br /> showing the cobble (see Photo C-4, page C4). What is not known is how far the deposits <br /> extend into the hill. <br /> C8 <br /> Exhibit C,Wagner Pit Mining Plan,Great Basin Environmental&Aquatics <br />