Region 3 Photography:
Pumice and Obsidian Close
Region 3 Photography:
Porphyritic Andesite
Region 3 Photography:
Cinder Texture
Region 3 Photography:
Basalt
Region 3 Photography:
Flow
Region 3 Photography:
Battleship Rock
Region 3 Photography:
Rhyolite
Region 3 Photography:
Rhyolite Dome
Region 3 Photography:
Weathered Porphyritic Rhyolite
Region 3 Photography:
Tuff