Manuscripts
Looking up Queantoweap Valley also known as Hurricane Ledge Valley. Upper left is Mt. Trumbull and upper center is Mt. Logan. The peaks of Mt. Emma can be seen above the cliffs upper right
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Lava flow to the river from Queantoweap or Hurrican Ledge Valley. The road and the trail can be seen on the lava
Manuscripts
mssMarston papers V088/0032

Vulcans Throne; Toroweap Valley; Mt. Emma; Mt. Logan; Mt. Trumbull
Manuscripts
mssMarston papers V083/0109
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Uinkaret Mountains (Mt. Trumbull, Mt. Logan, Mt. Emma)
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

Across Toroweap Valley. Mt. Emma upper left; Mt. Logan upper center; Mt. Trumbull upper right; Vulcans Throne lower left
Manuscripts
mssMarston papers V083/0151

