Preston - Hardcoverby Al Mathison (Author) Nestled in a lush valley along the banks of the Root River, Preston, Minnesota, is ideally located at the geographic center of Fillmore County. The earliest settlers found the area rich with everything they needed to build a community: timber, building stone, water power, and fertile soils. By 1860, Preston was a bustling business and government center in the heart of the most populous county in Minnesota. With rare and vintage