Talk:1911 Encyclopædia Britannica/United States, The/History
Latest comment: 15 years ago by Durova
hey what body of water formed the western boundry of of the united sated in 1783
- Broadly speaking, the Missippi-Missouri river.[1] Durova 01:03, 28 August 2008 (UTC)
![[1]](https://en.wikipedia.org/wiki/Image:Territorial-acquisition-uscensus-bureau.jpg){kind=link}