Whether the fossil bones of elephants, buffalos, musk-oxen, etc. found at the base of the ice cliff are weathered out of the bluff, or brought down the river by the ice, I am unable to determine, never having found any in the bluff over the ice or in it. Still they seem to have been weathered out of the bluff slowly, as they are not found in so great abundance elsewhere. The solid ice has pot-holes like those found in glaciers, also joints like healed crevasses and even bedded layers here and there. The highest portion of the bluff is where the ice is highest. It is, then, a small frozen fragment of a glacier, derived from snow
Original journal dimensions: 11.5 x 21 cm.
Holt-Atherton Special Collections, University of the Pacific Library
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John Muir, journals, drawings, writings, travel, journaling, naturalist