North Dakota Fort Union Aquifer Map Map

Fort Union Trading Post National Historic Site is a partial reconstruction of the most important fur trading post on the upper Missouri River from 1829 to 1867. The fort site is about two miles from the confluence of the Missouri River and its tributary, the Yellowstone River, on the Dakota side of the North Dakota/Montana border, 25 miles from Williston, North D…
Fort Union Trading Post National Historic Site is a partial reconstruction of the most important fur trading post on the upper Missouri River from 1829 to 1867. The fort site is about two miles from the confluence of the Missouri River and its tributary, the Yellowstone River, on the Dakota side of the North Dakota/Montana border, 25 miles from Williston, North Dakota.
  • Location: McKenzie and Williams counties, North Dakota, and Richland and Roosevelt counties, Montana
  • Nearest city: Williston, North Dakota
  • Area: 444 acres (1.80 km²)
  • Built: 1828
  • Architectural style: Greek Revival
  • Visitation: 16,940 (2005)
  • Designated NHL: July 4, 1961
Data from: en.wikipedia.org