The volcanic action as recorded in the range of craters extending from a point ten or fifteen miles to the South of Mono lake in a direct line through the lake to its black lava terraces at the North end of the lake seems to have moved from South to North The cones of the Southern extremity of the range have had all their erupted matter dimmed & rounded & smoothed by ordinary disintegration. Many of their sides presenting an even slope from top to bottom of fine volcanic sand As we approach the lake passing from center to center of the many clustered craters [mouths] once glowing [living] with [the] far travelled fires of earth the craters become more perfect in form & more jagged in outline, huge masses of scoriac, obsidian, pumice
Original journal dimensions: 10 x 16.5 cm.
Holt-Atherton Special Collections, University of the Pacific Library
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John Muir, journals, drawings, writings, travel, journaling, naturalist