GRAND RAPIDS, Mich. (WOOD) — When people think of volcanoes, they don’t typically think of Michigan. But volcanic activity was the driving force behind some of Michigan’s key resources and ...

This desert landscape east of Bend was buried by a basalt lava flow about 10,000 years ago. As more lava welled up it buckled the cooled lava crust on top into pressure ridges. Then in 5677 BC, the ...