164 This right can [cañon] has 8 lakes All the Sierras NW [northwest]ward from this (right can [cañon]) seem to have been overswept All the region of Cath Pk [Cathedral Peak] & Hoffmann all their crests are parallel & gaps flat topped This would make the height of ice at this place about 11,000 feet There are no crests running SW [southwest] on smooth
165 S [South] side slope higher than this? The few flat summits of summits on the main divide & on this Lyell divide also deserve careful study as it is from [there] we must in great measure derive our knowledge of first general universal continental glaciers Alt [Altitude] [bot] [bottom] Tis [Tissaack] of upper Yo [Yosemite] & foot cascades 8200 Top cascades left fork 9350 In sight Mt McClure
Original journal dimensions: 7 x 15 cm.
Holt-Atherton Special Collections, University of the Pacific Library
John Muir, journals, drawings, writings, travel, journaling, naturalist