Manuscripts
Monolith of lava in river. Grand Canyon. Lava Pinnacle, Nigger Head, Vulcans Anvil a mile above Lava Falls. Approximately Mile 178 1/2
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Mooring at camp above The Anvil, Mile 178; approximately 36,000 cfs
Manuscripts
mssMarston papers P006/0836

Vulcans Anvil or The Lava Pinnacle. Note exposure of lava intrusion at lower right
Manuscripts
mssMarston papers V083/0050



