40 From slate foothills of Sierra to Stockton first a few miles (15?) of rounded hillocks, stratified lavas conglomerates clay etc. often exposing beautifully colored sections especially along valley sides & stream banks Color of red lichens v [very] marked Fine section along Tuolumne River two miles below La Grange dipping v [very] slightly to west. In this formation [there] is a great number of separate hemispherical hills seldom more than 100 ft h [high] Also there are many lake basins that never have been deep Most have covering of fine sediment showing a gradual drying up [&] from deposits from flood waters. Most of these basins occur in the [valleys] of rivers or “dry creeks” How were these vals [valleys] eroded [There] is not the slightest evidence
Original journal dimensions: 10 x 16.5 cm.
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John Muir, journals, drawings, writings, travel, journaling, naturalist