By Betsy Malloy, About.com
Lava Flows
Pahoehoe Lava
Cinder Cones
Indian Tunnel
More Pictures
Idaho Places
Idaho Travel Planner
Betsy MalloyCalifornia Travel Guide
July 4 in CaliforniaDiscount TicketsThings to Do in San FranciscoDisneyland TicketsThings to do in Los Angeles
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