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22 showy. Snowberry dew-drops are numerous & well formed Why are all the stream[s] banks lined with washed bowlders to so great a height above their present levels? I crossed numerous table lands. How were they formed? The modelling of the mtn [mountain] forms is very fine, Shows no evidence of post gl [glacial] flows of lava. Obedient to gl [glacial] & aq [aqueous] erosion. Much of the slate well marked as to diagonal [clvg] [cleavage]. Many of mtns [mountains] regularly outlined
23 according to that clvg [cleavage] [Sketch] Slate half metamorphic The lava bowlders many of them formed by forces wh [which] I do not understand, before set free from the mass, after the manner of granite bowlders of erosion, thus [Sketch] Solid mass of lava homogeneous in composition, not in structure At first sight appears as if a lot of bowlders well rounded & water washed had been swept forward & heaped up by lava flow & afterwards had all their interstices filled & the whole mass solidified, but
Date Original
1874
Source
Original journal dimensions: 9 x 14.5 cm.
Resource Identifier
MuirReel24Journal06P022-023.tif
Publisher
Holt-Atherton Special Collections, University of the Pacific Library
Rights Management
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Keywords
John Muir, journals, drawings, writings, travel, journaling, naturalist
