Category
page 1Volcanoes of Idaho
Yellowstone volcano
volcanic caldera in Yellowstone National Park in the United states
Craters of the Moon National Monument and Preserve
national monument in the United States
Island Park Caldera
caldera in Idaho and Wyoming, United States
Big Southern Butte
mountain in United States of America
Henry's Fork Caldera
caldera in Fremont County, Idaho
Mahogany Mountain
mountain in the Owyhee Mountains in Malheur County, Oregon, United States
Menan Buttes
mountain in Idaho, United States
Columbia River Basalt Group
continental flood basalt province in the Western United States