Manuscripts
Downriver at Dam site
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Downriver view from mouth of tunnel into left wall at Dam site, Mile 39 1/2
Manuscripts
mssMarston papers V050/0110
![Lynn Roberts' helicopter and the air line suspended on a cable at the Dam site at Mile 39 1/2. Downriver. Tunnel dum[p] at left](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4INP46J%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Lynn Roberts' helicopter and the air line suspended on a cable at the Dam site at Mile 39 1/2. Downriver. Tunnel dum[p] at left
Manuscripts
mssMarston papers V050/0117
Downriver from the scaffold at Marble Canyon Dam site. Mile 39 1/2 but the frame of the transparency is marked Mile 37 1/2
Manuscripts
mssMarston papers V050/0121
