Manuscripts
Up river from Gneiss Canyon. Bridge Canyon Rapid is at the beach at lower left. Irvin Butte is right of upper center
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Up to Bridge Canyo and the un-named canyon at Mile 234.2. The side canyon at Gneiss Canyon right bank, is lower left
Manuscripts
mssMarston papers V096/0020




![Irvin [sic] Butte is upper center](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4I1133I%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)