6 [sketch] Fine p Clay [or] sandstone Close dense sandstone Main gravel bed with [losenger] shaped sand patches & irregular in [Street] bedrock Yellowish Clay very fine + - [Beetles] 7 First the Vol. [volcanic] Sedimentary rocks denuded down to Yel Clay - then dead gravel took their place [sketch: Dead gravel ; Volcanic sediments; Stratified [dimly ] fine in still water; bed clay] Volcanic sediments dip W 3 [degrees]
Original journal dimensions: 9.5 x 16 cm.
Holt-Atherton Special Collections, University of the Pacific Library
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John Muir, journals, drawings, writings, travel, journaling, naturalist