All this brave warm bloom among the raw stones, right in the face
of the onlooking glaciers.
As far as I have been able to find out, these upper lakes are
snow-buried in winter to a depth of about thirty-five or forty feet, and
those most exposed to avalanches, to a depth of even a hundred feet or
more. These last are, of course, nearly lost to the landscape. Some
remain buried for years, when the snowfall is exceptionally great, and
many open only on one side late in the season. The snow of the closed
side is composed of coarse granules compacted and frozen into a firm,
faintly stratified mass, like the _neve_ of a glacier. The lapping
waves of the open portion gradually undermine and cause it to break off
in large masses like icebergs, which gives rise to a precipitous front
like the discharging wall of a glacier entering the sea. The play of the
lights among the crystal angles of these snow-cliffs, the pearly white
of the outswelling bosses, the bergs drifting in front, aglow in the sun
and edged with green water, and the deep blue disk of the lake itself
extending to your feet,--this forms a picture that enriches all your
afterlife, and is never forgotten.
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