Manuscripts
Separation Canyon; Mile 239. This canyon was used by the Howlands and Dunn to leave the Powell party in 1869, Aug
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Separation Canyon; Mile 239. This canyon was used by the Howlands and Dunn to leave the Powell party in 1869, Aug
Manuscripts
mssMarston papers V097/0198.02
Separation Canyon; Mile 239. This canyon was used by the Howlands and Dunn to leave the Powell party in 1869, Aug
Manuscripts
mssMarston papers V097/0198.03
Plaque placed at Separation canyon by the Dusty Dozen in commemoration of the separation in the Powell party on Aug. 28, 1869
Manuscripts
mssMarston papers V148/0042
