Minnesota's GeologistWinner of the 2021 Minnesota Book Award for Minnesota Nonfiction The story of the scientist who first mapped Minnesotas geology, set against the backdrop of early scientific inquiry in the state At twenty, Newton Horace Winchell declared, I know nothing about rocks. At twenty five, he decided to make them his lifes work. As a young geologist tasked with heading the Minnesota Geological and Natural History Survey, Winchell (18391914) charted the