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POWDERHORN COAL COMPANY <br /> <br />ROADSIDE MINE <br />PROTECTIVE PILLAR DESIGN <br />TAL = /50 Jf)(/Gb f~)~i5A0 ff)(~~4 /6/cu.//) <br />2000 /TOn <br />TAL SaO, D00 Tms <br />Foc~nrof'sa/e!y , F. S. <br />F. S. _ ~ -_ 723, 400 <br />T,4L 540, 000 <br />F. S. /. 34 <br />eaun~o REOarfi <br />MAY/9, /AB1 <br />n <br />U <br />