151 No lakes on rivers near foot of range nor on any of lower tributaries but above Yo Sem [Yosemite] all tribs [tributaries] are laked Main [strms] [streams] also like a tree whose lower limbs & main trunk are fruitless but whose upper branches are loaded The so called flats on lower [portions] of trunk & [ ] [ ] lakes first filled with gl [glacier] mud then with marsh muck then [sand] & gravel washed
152 from surrounding slopes & main [run] until flats were sloped Alt [Altitude] upper part of 4th Yo [Yosemite] 7550 [sketch: 4th Yo [Yosemite]]
Original journal dimensions: 7 x 15 cm.
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John Muir, journals, drawings, writings, travel, journaling, naturalist