Wednesday, July 24 at 6:00 PM - Beneath the Surface: Uncovering the Hidden Worlds of Big Rivers at Spencer Public Library - So much of what makes rivers a resource is often hidden in front of us. Author, Dean Klinkenberg will peel back the layers in big river systems and show how they create and sustain life—life in many forms and in abundance. Free to the public. Call 712-580-7290 for more information.