Show I COLUMBUS MINES IJEs TO 10 HAVE DEEP TUNNEL TONNE Work Started on Bore to Drain Drair the Big Properties at Alta SOUTH sou-IH COLUMBUS QUARRY 4 Taking Ore from Surface at al New Find of Manager j I Jacobson Work ork was started last week weck on the c drain thain tunnel to be driven cn jointly b by the Columbus Consolidated the South Columbus and po possibly one other Alta AHa mining company compan Air pipes are being Jal laid from the Columbus and anti power drills will be at nt work in the new tunnel tun tun- Un 4 rid nel tho the last Jast of ot the tho week The tunnel starts in Superior gulch anil will wili be extended a distance of aloan al nt aFt oan feet in a northeasterly dl- dl I r under the holdings s of the ColI Columbus Col Col- I umbus nn and South Columbus com coin it It will drain the Columbus ground to a depth of feet below th the present tunnel level and antl will wUl give Ivo GOO feet additional sloping ground l on the tho vein eln the dip of or The South Columbus vein will bo ho tapped at nt the vertical depth of or GOO COO feet below tho the level or of the present lower tunnel The surface water will vIII nil alJ be taken from rein both properties b by bythe the new tunnel and antI the power now re required required re- re for tor keeping the tho workings clear P of water will vii be available n for other purposes The work will be one of great economy both In the matter m of drainage and In ripening Opening the tho ore oro bodies at greater Quarrying Ore Oro on South Sonth Columbus tl I Mann Manager er Tony reports un unusual usual mining operations at the South C Columbus lumbus aa as a result of his discovery ry i 11 J 2 0 of sulphide copper ore in an old abandoned tunnel This tunnel had b beon on on driven bout about CO GO feet Into the mountain at a point somo some distance higher r than an any df dr th the work work- ings ing If It was abandoned long Jong before th the present management nt took tool the property fully 30 years ars a ago 0 Mr 1 J Jacobson recently Decided to have theold the thern old workings cleaned cl out and w was s surprised stir sur r to to find that the tunnel had f fol followed toJ- toJ l- l lowed for Cor Its entire distance a vein from three to six Iz feet et wide and nd that In the tho face fac was ore ore- running fr frOm m 4 3 2 t to 12 per cent copper and averaging a 1 about 10 ounces in silver Such ore oto pS hardly hard worth taking out 30 years ears a o. o i but today toda it St Is s shipping rock r real n nt t tW W B R ou nil t hn ov 1 nGn c cIt tf It wa wash 5 sh h at the of Dr the tunnel th tv vein eln could be he exposed for tor somo santo distance down the lull hill Zen Men were we-ro r. r accordingly set to work quarrying the I r stuff Mutt and Mr MI on expects to send end in several good shipments from these surface workings before snow falls taIls agin The Thc vein Is Isone one not yet et opened elset elsewhere else else- 1 t where here in io the property It Is right rj-ht on oni oni i i t lc contact between quartzite and lime limet c t anti and It Is that it fila may develop into one of or the most Important finds 4 yet et made It Jt will bo ho J reached ached at nt depth II by liy the thc lo lower er tunnel within the next 7 CO GO days |