A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

Because of this force, the landscape and shape of the river completely changed. At first glance, you see how wide this is but you see most of the current is to the left of the river, said Fisher.

NDSU Digital History class produces "Glacier Prairie Farm" with help from local experts and including stories of major historical figures who helped shape the valley.