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<br /> <br /> <br /> <br />r <br />•LaTEST•.NAME OP' I~~IE Canfield Shaft <br />COUNTY <br />Boulder LATEST OPERATOR <br />Unlmown <br />OR _ 0 C ~ C __.._ . __, <br />YEAR TONS YEAR TONS YEAR TON3 ],3 1N 69W <br />YEAR PREVIOU$,OPERATORS •KIND O F COAL <br /> Location of this mine a own -_- <br />n ma of Northern field in <br />ulda ..Co. as eho in Histori 1 ' <br />ecord of Mine.locationa. We ••~~' .5 <br />ave n o rations or roductio of <br />his rt . <br /> ROCK.SLOPE LENGTH <br /> <br /> ROCK TUNNEL LENGTH <br /> <br /> <br /> SEAM <br /> T CKNESS 0~ S <br /> <br /> <br /> . PITCH <br /> <br /> -... <br /> <br /> RAILROAD AT: MINE <br /> <br /> <br /> <br /> <br /> <br /> _ .. _... <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />s , <br />~ ' <br />. <br />' <br />I <br /> <br /> <br /> l <br /> <br />