[John Muir]


[Joseph] Le Conte


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[2]some ice from about Mt Lyell Dana etc broke over the Hoffman range into the Tuolumne basin below the Soda Springs thus cutting off the Hoffman from the [illegible] range, & vast ice flows from the Tuolumne above Hetch Hetchy broke over into the Merced basin by the Yosemite & cascade & Tamarac tributaries, & most of this Tuolumne ice had to cross the great canon reaching from near the Soda Springs to Hetchy thus the Tuolumne Canon above Hetch Hetchy is deep as Yosemite [& this deleted] & the fact that so much ice flowed easily over it into the Merced basin gives some idea of the magnitude [drawing, with writting] of the glaciers of this region. It is only the vastness of the glacial pathways of these mtns that prevents one from seeing them at once. The English alphabet would puzzle a professor if written large enough if each letter were made up of many smaller ones. The bed of one unbroken ice river is frequently veiled with forests & a network of tiny water channels. The great central glaciers of Yosemite did not come squeezingly gropingly down to the main valley by the narrow, angular, tortuous canons of Tenaya, Nevada, [illegible]tte, but all of this summit ice was united above the valley, even towards the later glacial period & flowed grandly & directly over all the upper domes like a steady wind, while its lower, bottom currents went mazing &



Date Original

1871 Dec 17


Original letter dimensions unknown.

Resource Identifier


File Identifier

Reel 02, Image 0619

Copyright Statement

The unpublished works of John Muir are copyrighted by the Muir-Hanna Trust. To purchase copies of images and/or obtain permission to publish or exhibit them, see

Owning Institution

The Bancroft Library, University of California at Berkeley. Please contact this institution directly to obtain copies of the images or permission to publish or use them beyond educational purposes.

Copyright Holder

Muir-Hanna Trust

Copyright Date


Page Number

Page 2


John Muir, correspondence, letters, author, writing, naturalist, California, correspondent, mail, message, post, exchange of letters, missive, notes, epistle