From early tribal tradition, and from the research of archaeologists and historians, and the ancestors of the Osage, we know that this tribe of Indians was closely affiliated with the Siouan, or Dhegiha tribes, their dialect being much the same.
The historic district in Pawhuska is comprised of 98 buildings, 86 of which are listed on the National Register of Historic Places. These two and three-story brick structures, along with a five-story triangle building, provide an impressive tribute to days gone by.
The First National Bank is on the site of the second Osage Agency as the original log cabin in the valley burned. The Osage Tribe built a hand-cut sandstone two-story building which housed the agency and commissary. In 1924, this current structure was built.