What did Yellowstone look like before it became Wonderland?
Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the U.S. Geological Survey and Scientist-in-Charge of the Yellowstone Volcano Observatory. The Yellowstone region today is Wonderland. It is full of spectacular geysers and colorful hot springs, home to lakes and meadows and mountains and valleys, and covered by both forests and grasslands. What we see today is a result of volcanic activity that has shaped the landscape over the past 2 million years. But what did Yellowstone look like before volcanic activity blew