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MINING AND MINE METHODS. <br />The main opening, is an adit, or tunnel, the <br />mouth of evhieh, is on the north side of Chicago Creek, <br />betvaeen Cascade and i7te Creeks; it has a course of N. 61 degrees <br />20 minutes w. and length of 13b0 ft „ the :first 860 ft. of <br />which, is B x 9 ft, in the clear, the remainder being• cut <br />down to 6, or 8 in the clear. At the present time, the <br />tunnel is being driven by ;. Cannady & Cummings, who have a <br />contract on same. <br />u" water leyner drills are employed, the eir being <br />carried. under 110~~ pressure. The <br />The first 100 ft. of tunnel, is timbered with tunnel <br />sets, sawed pine timber being employed. <br />The underground tramming is done by burro, employing <br />two ton side dump cars of the J. H. P,lontgomery make, 24 lb. <br />rail, and 2 ft, gauge. <br />The tunnel is double tracked for the first 860 ft. <br />The system of drainage employed, is~gravity, employing <br />a water box 12 x 18 in. same being located between the tracks. <br />The ventilation is effeoted by a Connersville Blower, with <br />a capacity of 2000 cubic ft. of air per minute, exhaustinp• <br />through a 16" air line, extending• into a point near the <br />breast of the tunnel, <br />Sanitary oonditions, good, <br />Candles are used for lighting under ground. <br />