The first geological map of Yellowstone National Park
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 volcanic character of Yellowstone has long been known. An indigenous map drawn on a bison pelt and …
Read moreThe first geological map of Yellowstone National Park