'Much of the stone of Yellowstone is tuff, formed from the ash or dust of these events'
volcanic eruptions
ROCKS & STONES: Much of the stone of Yellowstone is tuff, formed from the ash or dust of these events
Much of the stone of Yellowstone is tuff, formed from the ash or dust of these events
Much of the stone of Yellowstone is tuff, formed from the ash or dust of these events
ROCKS & STONES
volcanic eruptions
ROCKS & STONES