Kris explores the Big Obsidian Flow at Newberry Volcano. Notice how her hand reflects in the large block of shiny black glass. The flow is huge, probably several square miles of chunks like this. (10/3/10)
Kris explores the Big Obsidian Flow at Newberry Volcano. Notice how her hand reflects in the large block of shiny black glass. The flow is huge, probably several square miles of chunks like this. (10/3/10)