Manuscripts
Mt. Sinyala from Supai gorge in Beaver Canyon
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Mt. Sinyala from head of Beaver Canyon. Lava plug at left, Coyote Canyon at right
Manuscripts
mssMarston papers V080/0100

Volcanic plug, Boysag Point, Mt. Sinyala. From the passage through the Coconino in Beaver Canyon
Manuscripts
mssMarston papers V080/0101



