Fort Union Trading Post National Historic Site Historic District (Boundary Increase)
Added to the National Register in 1961, and a National Historic Landmark.
The record
| Property type | Site |
| Address | 1550 Highway 1804, Williston, ND |
| County | Williams County |
| Listed | Jul 4, 1961 |
| Listed for | Historical archaeology, Exploration and settlement |
| Level of significance | National |
| Reference number | 100011805 |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | 1550 Highway 1804, Williston, ND |
No photograph, no construction date, no encyclopedia article or coordinates for this listing yet. The Register record above is complete; the enrichment is not.
The NPS spatial layer is re-read every Saturday, and Wikidata on the first Saturday of each month.
Explore
North Dakota travel guides
We earn a small commission if you buy through these links. It does not change what we list.
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was Fort Union Trading Post National Historic Site Historic District (Boundary Increase) listed on the National Register?
Jul 4, 1961. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
Where is Fort Union Trading Post National Historic Site Historic District (Boundary Increase)?
1550 Highway 1804, Williston, Williams County, North Dakota.
Source: National Park Service
Has the Fort Union Trading Post National Historic Site Historic District (Boundary Increase) listing changed since 1961?
1 Register action since listing, most recently boundary increase approved on May 9, 2025.
Source: Register actions
Where is the nomination form for Fort Union Trading Post National Historic Site Historic District (Boundary Increase)?
The National Archives holds the nomination form, the document that made the case for listing.
Source: National Archives
Sources
Name, location, type and dates come from the National Register office's spreadsheet of listed properties, because the Park Service's spatial data does not carry this listing. No source has a map point for it. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 100011805. Nothing here is transcribed by hand. The nomination form and photographs ↗ at NPGallery are the original nomination as filed with the National Park Service, and the form is often the best description of the place.
Register actions
| May 9, 2025 | Boundary increase approved |