Daguerreotype view of the partially destroyed ancient Native American mound known as “Big Mound” in St. Louis, Missouri, c. 1854. It was built by the Mississippian culture between 1000-1400 AD and its last remnants were leveled by a railroad company in 1869. [5224×4110]

Daguerreotype view of the partially destroyed ancient Native American mound known as “Big Mound” in St. Louis, Missouri, c. 1854. It was built by the Mississippian culture between 1000-1400 AD and its last remnants were leveled by a railroad company in 1869. [5224×4110]