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al Basin seam located imme iately north of the L . S . Wood Mine. <br /> Pr cipal access to the mine (is via an inclined cross-measure <br /> i <br /> rogk t nnel approximately 1, 100 ft . long . Other ventilation <br /> E <br /> op�nings d fan installations are located along the out ' op of <br /> the coal sea <br /> E <br /> t <br /> The Coal Basin Mine is an old m e that was <br /> t <br /> or ginally opened n the late 1890 ' s and was ope ted igto the <br /> early 1900' s at whic time it was closed and a andoned . Produc- <br /> tibn for this period wa approximately 1, OOq 000 tons o coal . <br /> Ii <br /> The inclined rock tunnel ccess to the workings was pari of the <br /> original mine. In 1973 Mid' ontinent esources reopened the mine <br /> s <br /> and rehabilitated the main idri is to provide access to unmined <br /> I l <br /> coal reserves lying west (downdip of the old workings Produc- <br /> tion by Mid-Continent Resources thr ugh 1985 totaled approximately <br /> ��. �i►s Ole <br /> 1, 00, 000 clean coal. <br /> The Co 1 Basin Mine as being dev loped with <br /> a ive heading main ent drift driven wes erly along the southern <br /> 9 <br /> mi e boundary. Produ tionientries were driv n to the northwest, <br /> ap roximately 4 , 000 ft . he present southern oundar of the <br /> Co 1 Basin Mine determ ned by the location of a la ge igneous <br /> di a and a par llel and p obably associated fault, bo h of which <br /> run essentia ly east/west The northern boundary o he mine is <br /> determine by another major east/west trending fault . (See <br /> Exh 'bit/I/I-A-2) <br /> All p oduction at the Coal Basin Min since <br /> : it as re-opened in 1973 as been done with continuo s mi r <br /> s/ection. <br /> n 1, <br /> p( <br />