SKETCH OP THE EOUTE. xxi 



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^onsipopulous to warrant their construction; but in tlie great 

 ;r off West, where continuous settlement is impossible, where, 

 inical instead of navigable rivers, we find arid deserts, but where, 



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li^nevertlieless, spots of great fertility and the richest prizes of 



routs the mineral kingdom tempt men onward into those vast 



regions, railways become almost a necessity of existence — 



:sti^ certainly of deyelopment; and the locomotive has to lead 



<t instead of follow the tide of population. 



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