ocr: Congratulations on your purchase of Much of the lava from the chamber was expelled through the fissures The leaving a large void. What was left of the dome collapsed creating a large Yellowstone Collection crater or caldera that spanned 1000 square miles. For the next 500,000 years lava flowed in and out of the çaldera until finally cooling. It is this For your purchase of this CD ROM; the Yellowstone Collection, volcanic activity combined with an abundance of water and mineral a portion of the proceeds will be donated to the Yellowstone Foundation. deposits which powers the geysers and other ...
