File:American forestry (1910-1923) (17957868340).jpg

Title: American forestry
Identifier: americanforestry201914amer (find matches)
Year: 1910-1923 (1910s)
Authors: American Forestry Association
Subjects: Forests and forestry
Publisher: Washington, D. C. : American Forestry Association
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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THE GLACIERS OF MT. RAINIER 655 countless tiny rills which, uniting, form swift rivulets and torrents, indeed veritable river systems on a minature scale that testify with eloquence to the rapidity with which the sun consumes the snow. COWLITZ GLACIER. Iinmediately adjoining the the Paradise Glacier on the northeast, and not separated from it by any definite bar- rier, lies the Cowlitz Glacier, one of the stateliest ice streams of Mount Rainier. It flows in a southeasterly direction, and burrows its nose deeply into the forest- covered hills at the mount- ain's foot. Its upper course consists of two parallel-flow- ing ice streams, intrenched in profound troughs, which they have enlarged laterally until now only a narrow, ragged crest of rock remains between them, resembling a partition a thousand feet in height. At the upper end of this crest stands Gibraltar Rock. At the point of confluence of the two branches there begins a long medial moraine that stretches like a black tape the whole length of the lower course. To judge by its position midway on the glacier's back, the two tribu- taries must be very nearly equal in strength, yet, when traced to their sources they are found to originate in widely different ways. The north branch, named In- graham Glacier (after Maj. E. S. Ingraham, one of Rainier's foremost pioneers), comes from the neves on the summit; while the south branch heads in a pocket immediately under Gibraltar. No snow comes to it from the summit; hence we can not escape the conclusion that it receives through direct precipi- tation and through wind drifting about as much snow as its sister branch re- ceives from the summit regions. Like the glacier troughs below, the pocket appears to have widened laterally under the influence of the ice, and is now separated from the Nisqually ice fields to the west by only a narrow rock
Text Appearing After Image:
Fhoto by Malthes. Cascades of Ingraham Glacier. in the backtlrount) little tahom.^ (11,117 feet), a remnant of the outer layers ok the volcano, now mostly stripped away by the ice. partition, the Cowlitz Cleaver, as it is locally called. Up this narrow crest the route to Gibraltar Rock ascends. The name "cleaver," it may be said in passing, is most apt for the designation of a narrow rock crest of this sort, and well deserves to be more generally used

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