The comparatively level, many-fountained Yosemite Creek Glacier was
about fourteen miles in length by four or five in width, and from five
hundred to a thousand feet deep. Its principal tributaries, drawing
their sources from the northern spurs of the Hoffman Range, at first
pursued a westerly course; then, uniting with each other, and a series
of short affluents from the western rim of the basin, the trunk thus
formed swept around to the southward in a magnificent curve, and poured
its ice over the north wall of Yosemite in cascades about two miles
wide. This broad and comparatively shallow glacier formed a sort of
crawling, wrinkled ice-cloud, that gradually became more regular in
shape and river-like as it grew older. Encircling peaks began to
overshadow its highest fountains, rock islets rose here and there amid
its ebbing currents, and its picturesque banks, adorned with domes and
round-backed ridges, extended in massive grandeur down to the brink of
the Yosemite walls.
In the meantime the chief Hoffman tributaries, slowly receding to the
shelter of the shadows covering their fountains, continued to live and
work independently, spreading soil, deepening lake-basins and giving
finishing touches to the sculpture in general. At length these also
vanished, and the whole basin is now full of light.
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