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<br />NEST <br />FIGURE 2-B <br />EAST <br />u <br /> <br />LEGEND <br />S. S. <br />® Clay <br />HS H4) H3 <br />mined from <br />underground <br />SECTION LOOKING NORTH <br />Scale: ]" = SO' <br />No 1'ertical Exaggeration <br />HOGBACK MINE <br />TYPICAL VERTICAL SECTION <br />ROBINSON BRICF COFIPANY <br />