River valleys have a great many stories to tell. History is revealed in riverbanks all over the world. It is written in sediment, fossils, and artifacts. In some places, rivers expose ancient land and waterscapes created long before the river. Today, many rivers are refuges, tiny bits of what once was a far-reaching ecosystem. Life at the equator, colossal glaciers and the birth of rivers, megafauna, the arrival of people, earthquakes, a profound transformation of the landscape, but no dinosaurs, all these stories and more are told by the Sangamon River as it meanders its way across central Illinois. This video, History of the Sangamon River Valley by Michael Wiant,…