Judging by its effects, this Yosemite, or Inyo earthquake, as it is
sometimes called, was gentle as compared with the one that gave rise
to the grand talus system of the Range and did so much for the canyon
scenery. Nature, usually so deliberate in her operations, then created,
as we have seen, a new set of features, simply by giving the mountains
a shake--changing not only the high peaks and cliffs, but the streams.
As soon as these rock avalanches fell the streams began to sing new
songs; for in many places thousands of boulders were hurled into their
channels, roughening and half-damming them, compelling the waters to
surge and roar in rapids where before they glided smoothly. Some of
the streams were completely dammed; driftwood, leaves, etc., gradually
filling the interstices between the boulders, thus giving rise to lakes
and level reaches; and these again, after being gradually filled in,
were changed to meadows, through which the streams are now silently
meandering; while at the same time some of the taluses took the places
of old meadows and groves. Thus rough places were made smooth, and
smooth places rough. But, on the whole, by what at first sight seemed
pure confounded confusion and ruin, the landscapes were enriched; for
gradually every talus was covered with groves and gardens, and made a
finely proportioned and ornamental base for the cliffs.
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