Ian M. Mackay, PhD (he/him)This is super cool!
Find your address 700 million years ago.
Kevin E. Walsh@mackayim2022
Madison, Wisconsin was nice and green today and 700 million years ago.
Then it went underwater from 540 to 300 million years ago, like much of the U.S.
Madison, Wisconsin was nice and green today and 700 million years ago.
Then it went underwater from 540 to 300 million years ago, like much of the U.S.