Man and the Glacial PeriodWright, G. Frederick (George Frederick)
History
Man and the Glacial Period
Wright, G. Frederick (George Frederick)
Glacial epoch; Prehistoric peoples
North of California glaciers characterise the Cascade Range in increasing
numbers all the way to the Alaskan Peninsula. They are to be found upon
Diamond Peak, the Three Sisters, Mount Jefferson, and Mount Hood, in
Oregon, and appear in still larger proportions upon the flanks of Mount
Rainier (or Tacoma) and Mount Baker, in the State of Washington. The
glacier at the head of the White River Valley is upon the north side of
Rainier, and is the largest one upon that mountain, reaching down to
within five thousand feet of the sea-level, and being ten miles or more
in length. All the streams which descend the valleys upon this mountain
are charged with the milky-coloured water which betrays their glacial
origin.
[Illustration: Fig. 11.--Map of Southeastern Alaska. The arrow-points
mark glaciers.]
In British Columbia, Glacier Station, upon the Canadian Pacific Railroad,
in the Selkirk Mountains, is within half a mile of the handsome
Illicilliwaet Glacier, while others of larger size are found at no great
distance. The interior farther north is unexplored to so great an extent
that little can be definitely said concerning its glacial phenomena. The
coast of British Columbia is penetrated by numerous fiords, each of which
receives the drainage of a decaying glacier; but none are in sight of the
tourist-steamers which thread their way through the intricate network of
channels characterising this coast, until the Alaskan boundary is crossed
and the mouth of the Stickeen River is passed.
A few miles up from the mouth of the Stickeen, however, glaciers of
large size come down to the vicinity of the river, both from the north
and from the south, and the attention of tourists is always attracted
by the abundant glacial sediment borne into the tide-water by the river
itself and discolouring the surface for a long distance beyond the
outlet. Northward from this point the tourist is rarely out of sight of
ice-fields. The Auk and Patterson Glaciers are the first to come into
view, but they do not descend to the water-level. On nearing Holcomb
Bay, however, small icebergs begin to appear, heralding the first of the
glaciers which descend beyond the water's edge. Taku Inlet, a little
farther north, presents glaciers of great size coming down to the
sea-level, while the whole length of Lynn Canal, from Juneau to Chilkat,
a distance of eighty miles, is dotted on both sides by conspicuous
glaciers and ice-fields.
Public-domain text, read in full here on John Shaqi.
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