Show opening of the sarnia dunnet the new railway tinnel which oleris a u casbar way under ta tk st clair river betge a and and michigan wa for formal formale malf y opened oa an the ath 71 tel ats triumph ot of modern modem 1 ass been achieved under the swift outlet of lake to su perceda the ferry system of transporting the orfilo ot of the grand brunk route from the amerle Ame in to the bank banks loaf long ago ajro the dun clum 1 of the ferry vid ind particularly particular lythe the exasperating delay delays la in winter oa account of at ice fee floe goes icedo apparent the haces sity for or ome some surer and more ore expedition expeditious mean means of transit A tunnel KM as considered least objectionable bo be cae cause thelm the mense vessel interest interests were stoutly opposed to a bridee bridge on the they ground roand thi ina t it would prue a hindrance hind nace and nd often a danger to navi navigation gatlon bat 91 a nature ot of the sub ab aqueous eoll soll cry may ana ama raad rand made milde a feasibility ot of digging a tutino a perplex question however it 60 decided to make an attempt at cc con 4 strutting ting one two hop huge au were toward each other one oa fron from the this american the a ether bar from rom the canadian side ide they borod bored their way epam like op am moth mole moles down the river bed curling their low slow trails as they advanced until they met about under the audle mIj algot of the river it took twelve months to eat nt the passage the shields were made ot of heavy wrought tit iron inn with sharp edges fifteen teet fact three inches loni long and twenty one ret fact six ti inches la to diameter ech esch held woo w for forward vard by twenty four hydraulic ram rams the th barrel tarrel of each ram being bel or eight inches la im diameter with a str a ke of it little more than eighteen 1 inches nabe hrco ram exercised exer cled a force of 1231 al n the actual tunnel itself under tbs river riv Is 1 feet long au over a 11 mile MUL it Is lined solid c cat iron from plate bolted together begmen 5 F uh se X tant on is I 1 by five feet fact long lon lehtela leh teea inches wide uj two incho thick with anoles five laches deep tb whole I 1 weight SOM ton th loul total length or at tile ali tunnel and bd is ll 11 J bet mue miles the acet ct ur 6 proper ro e w |