Manuscripts
View down the Grand Canyon with the river first appearing at the foot of the Tanner Trail at Mile 68. In the big loop in the center of the picture marks the disappearance of the river into Unkar Rapid at Mile 72. Red Butte is on the skyline
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Unkar Creek - Mile 72-73
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

Ancient lava upthrust opposite end of Tanner Trail, Mile 68. Right bank of river in Grand Canyon
Manuscripts
mssMarston papers V057/0047.01
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Tanner Rapid (Mile 68.4); Tanner Canyon; Tanner Trail; Desert View Point - Mile 68-69
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


