John Muir


Joseph Hooker


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in a wide zigzag between the 38th and 40th parallels. I found the average elevation of the numerous mountains to be about 9,000ft above sea level. The highest point in the basin is the summit of Mt Wheeler, on the Snake Range, near the Utah - Nevada boundary, 12,800 feet. The average elevation of the "sinks" and intervening valleys is about 5,000 feet - of the whole Basin if leveled - mountains and valleys - about 5,800 or 6,000 feet. I found glacial traces in great abundance on all the ranges, quite fresh on the higher ones, as the Toiyabe, [Toquima], White Pine, Golden Gate and Snake Ranges; more obscure on the lower and more weathered. The last of the Basin glaciers have but recently vanished. I also found evidence that shows conclusively that the


San Francisco [Calif.]

Date Original

1879 Feb 1


Original letter dimensions: 11 x 18

Resource Identifier

Royal Botanic Gardens, Kew. Directors' Correspondence 199/312-317

File Identifier


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The unpublished works of John Muir are copyrighted by the Muir-Hanna Trust.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

Documents reproduced with the kind permission of the Board of Trustees of the Royal Botanic Gardens, Kew.

Copyright Holder

Muir-Hanna Trust

Copyright Date


Page Number

DC 199 ff 312 317 image 2


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