The broad stream setting out in rapids on its 3,330 mile course is very impressive. “In 1852 Sir Roderick Murchison advanced the hypothesis that Africa south of the Sahara Desert was a continent of great antiquity, and simplicity, which had maintained the form of a great basin ever since the age of the new red sandstone. He based his theory on the work of Bain, the pioneer of South African geology, summarized in a paper entitled ‘On the Antiquity of the Physical Geography of Inner Africa’ by R. Murchison, in which he claims that the country is of interest because it was geologically unique in the long conservation of ancient terrestrial conditions.” The famous Ngrurunga (water holes) from J.W. Gregory’s book entitled “The great Rift Valley.”
Original journal dimensions: 10 x 17 cm.
Holt-Atherton Special Collections, University of the Pacific Library
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John Muir, journals, drawings, writings, travel, journaling, naturalist