Isabella Lucy Bird Bishop, Unbeaten Tracks in Japan — LETTER XIV (1880)
“ Yet it is by it, so far at least as the Tsugawa river, that the produce and manufactures of the rich plain of Aidzu, with its numerous towns, and of a very large interior district, must find an outlet at Niigata. In defiance of all modern ideas, it goes straight up and straight down hill, at a gradient that I should be afraid to hazard a guess at, and at present it is a perfect quagmire, into which great stones have been thrown, some of which have subsided edgewise, and others have disappeared altogether. ”
