1824  (1931)  [Is there] any good Roadstead or Harbour in the Portland Canal or between it and the Columbia [?]
1846  The north-west coast of America is intersected by . . . canals formed by nature, running far into the into the interior of the country. . . .
1936  Brawling streams . . . pour their ice-cold water into these inlets and canals. . . .
1966  . . . in Stewart [B.C.] . . . 600 permanent residents live . . . at the end of the 100-mile-long Portland Canal (a fiord and not a man-made waterway).