When was the county, where Shelby Airport is located, established ?
Toole County, Montana Toole County is a county located in the northern portion of the U.S. state of Montana. As of the 2010 census, the population was 5,324. Its county seat is Shelby. The county was established in 1914 from parts of Hill County and Teton County and was named after Joseph Toole, the first and fourth governor of Montana. Its northern boundary is the Canada–United States border south of Alberta.
Oakland County, Michigan Oakland County is a county in the U.S. state of Michigan, northwest of the Detroit metropolitan area. As of the 2010 census, its population was 1,202,362, making it the second-most populous county in Michigan, behind neighboring Wayne County. The county seat is Pontiac. The county was founded in 1819 and organized in 1820.