The center of Panum Crater
United States of America
California
Mono County
Mono lake, Rainbow
Mono Lake's receded …
tephra ring and obsi…
View from Panum Crat…
tephra ring and obsi…
Obsidian Dome
the sierra nevadas v…
obsidian ash
Obsidian Dome
like little ants we …
Obsidian Dome Flow
What is it?
Rim Trail
Impressum