- Chisago County, Minnesota (Wikipedia)
Chisago County (/ʃɪˈsɑːɡoʊ/ shi-SAH-goh) is a county in the east-central part of the U.S. state of Minnesota. The county covers an area of 442 square miles (1,140 square kilometers) and, as of the 2020 Census, had a population of 56,621 people. It is part of the Minneapolis-St. Paul-Bloomington Metropolitan Statistical Area. The county’s largest city is North Branch. Within Chisago County is the Chisago Lakes area, which includes the combined areas of Shafer, Chisago City, Lindström, and Center City. Center City is the county seat. The county has a diverse economy, including manufacturing, agriculture, and tourism.
- Lutetian (Wikipedia)
The Lutetian is, in the geologic timescale, a stage or age in the Eocene. It spans the time between 47.8 and 41.2 Ma. The Lutetian is preceded by the Ypresian and is followed by the Bartonian. Together with the Bartonian it is sometimes referred to as the Middle Eocene Subepoch.