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Rosebud Battlefield-Where the Girl Saved Her BrotherRosebud Battlefield-Where the Girl Saved Her Brother · Photo: Phil Konstantin · Public domain
–Not graded
History · Forty Mile Colony

The history of Forty Mile Colony

Below: maps from 1894 on.

0on the National Register
0.0%homes built before 1940
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What stands out about Forty Mile Colony’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Forty Mile Colony are in the public archives yet. The rest are in attics and albums.On the map since 18944 editions of the USGS map, 1894 to 1980. Watch Forty Mile Colony change.
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Start Forty Mile Colony’s collection

The first neighbors to add old photos shape how Forty Mile Colony’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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On the map

Forty Mile Colony on the map, 1894 to 1980

Every edition of the U.S. Geological Survey’s map of Forty Mile Colony. Tap a year, or press play to watch the town change.

Forty Mile Colony on the 1894 USGS mapForty Mile Colony on the 1901 USGS mapForty Mile Colony on the 1967 USGS mapForty Mile Colony on the 1980 USGS map1894Rosebud sheet · 1:125,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Forty Mile Colony.

The story so far

Forty Mile Colony, in brief

Wikipedia doesn’t have a history of Forty Mile Colony yet. The photos, dates and memories neighbors add here are how it gets written.

Forty Mile Colony is a Hutterite colony and census-designated place (CDP) in Big Horn County, Montana, United States, within the Crow Indian Reservation. It is in the valley of the Little Bighorn River, 3 miles (5 km) south of the town of Lodge Grass. As of the 2020 census, Forty Mile Colony had a population of 28. The location was first listed as a CDP prior to the 2020 census.

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

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Famous people

Famous people close to Forty Mile Colony

Nobody well known was born in Forty Mile Colony itself, so here are the best known from just nearby.

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K
Kendall CrossOlympic wrestler · b. 1968
White Man Runs HimCrow scout · b. 1858
Kroy BiermannAmerican football player · b. 1985
Thomas YellowtailChief of the Crow tribe · b. 1903
Tim FoxAmerican lawyer and politician · b. 1957
B
Bill YellowtailAmerican politician · b. 1948

Questions about Forty Mile Colony’s history

Memory lane

What the archives can’t tell you, neighbors can.

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Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From U.S. Geological Survey historical maps. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.