Adams Block
Many listed buildings are private homes. Please enjoy them from the street.
About Adams Block
Adams Block, at 123 Main St., was added to the National Register of Historic Places on May 20, 1999. It was among the first 5 of Three Forks’s 7 listings. The Register lists it for its town planning and architecture, at the local level. It describes its style as Early 20th Century Commercial, as it does for 1 other Montana listings. Four more Register listings are within a quarter mile.
What it isUnited States historic place. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 22 MB · National Archives↗Make it a walk: 5 landmarks in about 10 minutes
123 Main St., Three Forks · about 0.3 miles on foot, as the crow flies
2 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Adams Block
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Adams Block
Is Adams Block on the National Register of Historic Places?
Yes. It was added on May 20, 1999 (Register number 99000597).
Is Adams Block a National Historic Landmark?
No. It is on the National Register; Montana has 25 National Historic Landmarks. The nearest is Three Forks of the Missouri, 1.1 miles away.
Can you visit Adams Block?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Adams Block?
In its National Register nomination, the form that put it on the Register: a 22 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 71976000 · Wikidata · old views from Three Forks’s archive. Map tiles © OpenStreetMap contributors.