Manuscripts
Dark Canyon between Youngs Canyon and the river, showing hard limestone layer heavily fossilized, probably Rico formation
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Dark Canyon between LeanTo Canyon and the river. Rico formation
Manuscripts
mssMarston papers V017/0045
Dark Canyon, 1-2 miles from Colorado River. Hermosa Formation (Rico?)
Manuscripts
mssMarston papers V017/0047
Mouth of Dark Canyon. The foreground shows a flood out of Dark Canyon
Manuscripts
mssMarston papers V017/0094
![Side Canon--See men in centerforeground on brink of Lower terrace. [in pencil: Probably Dark Canyon]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IFEQBZ%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Side Canon--See men in centerforeground on brink of Lower terrace. [in pencil: Probably Dark Canyon]
Manuscripts
mssMarston papers V017/0048
