- Prescott, Wisconsin (Wikipedia)
Prescott is a city in Pierce County, Wisconsin at the confluence of the St. Croix River and Mississippi River. The population was 4,258 at the 2010 census, making it the second-largest city in the county after River Falls, and the largest entirely within Pierce County.
- Chert (Wikipedia)
Chert (/ˈtʃɜːrt/) is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a chemical precipitate or a diagenetic replacement, as in petrified wood.