Manuscripts
Les Jones near the end of his transit of the Grand Canyon in October, 1963. About Mile 232. Photo captioned: M239 After Separation
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![Lake Mead in lower Grand Canyon near the end of the Pre-Cambrian [on photo reverse: Below Separation Canyon]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IGHSCM%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Lake Mead in lower Grand Canyon near the end of the Pre-Cambrian [on photo reverse: Below Separation Canyon]
Manuscripts
mssMarston papers V099/0078
Walking up Separation Canyon after ending the float trip from 209 Mile Canyon to Separation
Manuscripts
mssMarston papers V097/0070
