Igneous rock in Firehole Canyon
Igneous rock in Firehole Canyon Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Rhyolite in Firehole Canyon with gas bubble holes in it
Rhyolite in Firehole Canyon with gas bubble holes in it
Rhyolite obsidian breccia in an ash-rich matrix (Nez Perce Creek flow)...
Rhyolite obsidian breccia in an ash-rich matrix (Nez Perce Creek flow)with Spherulites (pink to grey balls with radiating crystals).
Rhyolitic lava flow along the Firehole River
Rhyolitic lava flow along the Firehole River Public domain photograph of Canyon, mountains, national park, free to use, no copyright restrictions image - Picryl description
Rubble at base of rhyolite flow in Firehole Canyon
Rubble at base of rhyolite flow in Firehole Canyon
Firehole River in Firehole Canyon
Firehole River in Firehole Canyon; Jim Peaco; January 2014; Catalog #19316d; Original #IMG_0050
Igneous rock in Firehole Canyon
Igneous rock in Firehole Canyon Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Firehole River in Firehole Canyon (13784617603)
Firehole River in Firehole Canyon; Jim Peaco; January 2014; Catalog #19316d; Original #IMG_0050
Firehole Falls in Firehole Canyon
Firehole Falls in Firehole Canyon Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Sun perched atop a tree in Firehole Canyon (31857019903)
NPS / Jacob W. Frank