Manuscripts
Sedimentary island in lava flows; Toroweap Valley; Mt. Emma
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Vulcans Throne; Toroweap Valley; Mt. Emma; Mt. Logan; Mt. Trumbull
Manuscripts
mssMarston papers V083/0109

Up Queantoweap Valley to Mt. Turnbull and Mt. Emma. The road to the rim at Whitmore Trail crosses the lava flow
Manuscripts
mssMarston papers V088/0023

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

Across Toroweap Valley. Mt. Emma upper left; Mt. Logan upper center; Mt. Trumbull upper right; Vulcans Throne lower left
Manuscripts
mssMarston papers V083/0152

![Lava flows from the Uinkaret [sic] into Toroweap Valley](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4I07Z5M%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)