Manuscripts
Ring bolt
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Ring Bolt Rock
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers
The ring bolt at Halls Crossing, mile 119, downstream to The Chapel
Manuscripts
mssMarston papers V024/0008
Ring bolt on boulder at Halls Crossing, left bank, Glen Canyon
Manuscripts
mssMarston papers V024/0082
![Murl [sic] Emory and the ring bolt in Black Canyon](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IGD7A6%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)