image: Sequence of events that formed the modern Mississippi. This material relates to a paper that appeared in the Jan. 30th, 2019, issue of Science Advances, published by AAAS. The paper, by A.D. Wickert at University of Minnesota in Minneapolis, MN, and colleagues was titled, "The Mississippi River records glacial-isostatic deformation of North America." view more
Credit: [Credit: A. Wickert]