The obelisk was constructed by the Office of the United States Surveyor General in 1838 and is one of the earliest structures still standing in Chicago. Located near the end of Chicago's Avenue G, jus…
The Government Survey System is a federal land survey system implemented in the United States less than a decade after the founding of the country. In this video, we review how the system works, and h…
Added by Justin Farrow at 4:48pm on September 26, 2022
This infographic provides information for the growing cities in the United States It provides a map to show what the emerging mega regions are and the population of those areas.
The Emerging Megaregi…