Post 06133
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Head-on the vast mass came exploding toward me. Wildly it threw off masses of snowy spray and agitated, confused whirlwinds of snow-dust. I was watching from the top of a precipice. Below, the wide, deep cañon was filled with fleecy clouds,–a bay from a sea of clouds beyond. The slide shot straight for the cloud-filled abyss and took with it several hundred broken trees from an alpine grove that it wrecked just above the precipice.
This swift-moving monster disturbed the air, and excited, stampeding, and cyclonic winds flung me headlong, as it tore by with rush and roar. I arose in time to see the entire wreckage deflected a few degrees upward as it shot far out over the cloud-made bay of the ocean. A rioting acre of rock-fragments, broken trees, shattered icebergs, and masses of dusting snow hesitated momentarily in the air, then, separating, they fell whirling, hurtling, and scattering, with varying velocities,–rocks, splintered trees, and snow,–in silent flight to plunge into the white bay beneath. No sound was given forth as they fell into, and disappeared beneath, the agitated sea of clouds. How strange this noiseless fall was! A few seconds later, as the wreckage reached the bottom, there came from beneath the silent surface the muffled sounds of crash and conflict.
The higher mountain-ranges rise far above the zone of life and have summits that are deeply overladen with ancient snow and ice, but the upper slopes and summits of the Rocky Mountains of Colorado and the Sierra of California are not barren and lifeless, even though they stand far above the timber-line. There is no other mountain-range on the earth that I know of that can show such a varied and vigorous array of life above the tree-line as do these ranges. In the Alps the upper slopes and summits stand in eternal desolation, without life even in summertime. The icy stratum that overlies the summit Alps is centuries old, and is perpetual down to nine thousand feet. Timber-line there is only sixty-four hundred feet above sea-level. How different the climatic conditions in the Rocky Mountains and in the Sierra, where timber-line is at approximately eleven thousand five hundred feet, or a vertical mile higher than it is in the Alps!