Vol. LXXVIII.—No. 3. EsTaBLISHED 1845. THE GREAT TRAINING JETTY AT THE MOUTH OF THE COLUMBIA RIVER, OREGON. The successful completion of the Columbia … water, entered the Columbia, and the va- riable nature of the entrance necessitated aclose watch upon the channels and an intimate knowledge of their condition upon the part of the pilots. The crossing of the bar, which required great caution at any time, became posi- tively hazardous in boisterous…
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