Exploring the great YukonAn adventurous expedition down the great Yukon River, from its source in the British North-west Territory, to its mouth in the territory of Alaska . se of a floating raft, and the excess ofRR over A A, both being developed, would be the errormentioned. In this figure the relative curves are exag-gerated to show the principle more clearly. Again, everyIsland and shoal would materially affect this somewhat mathematical plan, but Ithink even these wouldtend to produce an over-estimate. Drifting close along theshores of an island, andnearing its lower termina-tion, we occa
Exploring the great YukonAn adventurous expedition down the great Yukon River, from its source in the British North-west Territory, to its mouth in the territory of Alaska . se of a floating raft, and the excess ofRR over A A, both being developed, would be the errormentioned. In this figure the relative curves are exag-gerated to show the principle more clearly. Again, everyIsland and shoal would materially affect this somewhat mathematical plan, but Ithink even these wouldtend to produce an over-estimate. Drifting close along theshores of an island, andnearing its lower termina-tion, we occasionally weredelayed in a singular man-ner, unless prompt toavoid it. A long, nar-row island, with taperingends, and lying directlyin the course of the cur-rent, gave us no trouble ;but oftentimes theselower ends were very blunt, and the currents at thetwo sides came at all angles with respect to theisland and each other, and this was especially true oflarge groupings of islands situated in abrupt bends ofthe river. To take about the worst case of this naturethat we met, imagine a blunted island with the currentat either side coming in at an angle of about forty-five. 4 sary to row to star-board as far as Rbefore W is reached,as otherwise it wouldbe carried back againstthe island. We gotcaught in one violentwhirlpool that turnedthe huge raft aroundso rapidly that I be-lieve the tender stom-achs of those prone to sea-sickness would soon haveweakened if we had not escaped by vigorous efforts. Atgreat angles of the swift water and broad-based islandsI have seen the whirlpool when nearly half a mile fromthe island, and they were usually visibl
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Keywords: ., bookauthorschwatka, bookcentury1800, bookdecade1890, bookyear1890
