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1900s (20th Century) Maps of Gallatin County, Montana

Explore 115 historic maps of Gallatin County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Gallatin County's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Gallatin County's history through authentic maps from the 1900s. This is your window into the past.

Gallatin County, MT maps

(115)
  1. 1902 Map of Little Belt Mts.
    1902 Map of Little Belt Mts.
    1902 Little Belt Mts.
    1902 Print · USGS
    Meagher County at the close of the nineteenth century is a landscape of mountain mining camps and riverside settlements. Researchers can trace early industry and family roots near the Sapphire Mine, the town of White Sulphur Springs, and the camp at Neihart.
    3 unique versions available
  4. 1947 Map of Bozeman, 1948 Print
    1947 Map of Bozeman, 1948 Print
    1947 Bozeman
    1948 Print · USGS
    Bozeman and the surrounding mountain ranges are captured here just after the war, showing the vital rail and river networks of southwestern Montana. Genealogists and historians can trace routes to early settlements like Virginia City, Gallatin Gateway, and the mountain community of Jardine.
  7. 1948 Map of Bozeman, 1951 Print
    1948 Map of Bozeman, 1951 Print
    1948 Bozeman
    1951 Print · USGS
    Southern Montana in the late 1940s is shown as a high-country crossroads of rail lines and river headwaters. Genealogists and historians can trace old town sites like Virginia City and McLeod alongside the Northern Pacific and Milwaukee Road railroads.
  10. 1948 Map of White Sulphur Springs, 1951 Print
    1948 Map of White Sulphur Springs, 1951 Print
    1948 White Sulphur Springs
    1951 Print · USGS
    Montana's capital and the high country of the Big Belt Mountains come alive in this mid-century survey. Trace the early hydroelectric developments at Canyon Ferry Dam or follow the historic rail lines through Ringling and Townsend.
  13. 1948 Map of Sixteen, 1953 Print
    1948 Map of Sixteen, 1953 Print
    1948 Sixteen
    1953 Print · USGS
    The Gallatin County high country is shown here in the late 1940s as a vital corridor for the Milwaukee Road railroad. Genealogists and historians can trace the isolated settlement of Sixteen and the Robertson Ranch nestled among the peaks of Elkhorn Ridge.
    3 unique versions available
  16. 1949 Map of Anceney, 1953 Print
    1949 Map of Anceney, 1953 Print
    1949 Anceney
    1953 Print · USGS
    Gallatin County ranching and irrigation are recorded in detail here at the close of the 1940s. Genealogists and historians can locate old landmarks like the Little Holland Cemetery, the Corundum Mine, and the Northern Pacific rail line serving the Anceney settlement.
    4 unique versions available
  19. 1949 Map of Manhattan, 1953 Print
    1949 Map of Manhattan, 1953 Print
    1949 Manhattan
    1953 Print · USGS
    The Gallatin Valley in the late 1940s was a hub of irrigation and rail transport at the headwaters of the Missouri. Genealogists can locate family holdings like the Sinnema Ranch and rural landmarks such as the Heeb School and Church Hill Church.
    4 unique versions available
  22. 1949 Map of Maudlow, 1954 Print
    1949 Map of Maudlow, 1954 Print
    1949 Maudlow
    1954 Print · USGS
    Gallatin County ranching and railroad life are preserved here in the late 1940s as the high peaks meet the rail lines. Genealogists and historians can trace family landmarks like the Morgan Cemetery, Francis School, and the remote settlement of Maudlow.
    4 unique versions available
  25. 1949 Map of Norris, 1959 Print
    1949 Map of Norris, 1959 Print
    1949 Norris
    1959 Print · USGS
    Madison and Gallatin counties met at the river in the post-war years, where high-country ranching and mining legacies shaped the land. Researchers can locate the Red Bluff Cem, inactive gold-era sites like Boaz Mine, and the Cherry Creek School.
    2 unique versions available
  28. 1949 Map of Toston, 1970 Print
    1949 Map of Toston, 1970 Print
    1949 Toston
    1970 Print · USGS
    Mid-century Broadwater County is centered here on the Missouri River and its critical rail junctions. Researchers can trace the industrial footprint of the Milwaukee Road, locate the Crane School, or find the abandoned Coke Oven at Lombard.
  31. 1950 Map of Three Forks, 1953 Print
    1950 Map of Three Forks, 1953 Print
    1950 Three Forks
    1953 Print · USGS
    Three Forks and the surrounding Gallatin Valley are captured here just after the war, showing the historic meeting of the rivers that form the Missouri. Genealogists and historians can trace the foundations of this ranching community through the Jefferson Sch, Fairview Cem, and the Climbing Arrow Ranch.
    4 unique versions available
  34. 1950 Map of Belgrade, 1953 Print
    1950 Map of Belgrade, 1953 Print
    1950 Belgrade
    1953 Print · USGS
    Gallatin County ranching and rail infrastructure are captured here in the early fifties as the valley modernized. Researchers can locate family roots at the Dry Creek Cem, trace the old Menard Wye, or find the Mountain View School (Aband).
    6 unique versions available
  37. 1950 Map of Hebgen Dam, 1954 Print
    1950 Map of Hebgen Dam, 1954 Print
    1950 Hebgen Dam
    1954 Print · USGS
    The Madison Range and the high country of the Montana-Idaho border come alive in this mid-century survey. You can trace the ranching and early tourism of the era through sites like Olifee Ranch, Campfire Lodge, and the remote Watkins Creek Ranch airstrip.
    7 unique versions available
  40. 1950 Map of Spanish Peaks, 1954 Print
    1950 Map of Spanish Peaks, 1954 Print
    1950 Spanish Peaks
    1954 Print · USGS
    The Madison Range high country comes into focus in this early 1950s survey of the Gallatin and Beaverhead National Forests. Researchers can locate remote mountain landmarks and early ranch sites like 8K Ranch, Crall Ranch, and the Spanish Creek Ranger Station.
    4 unique versions available
  43. 1950 Map of Sphinx Mountain, 1954 Print
    1950 Map of Sphinx Mountain, 1954 Print
    1950 Sphinx Mountain
    1954 Print · USGS
    The high peaks of Madison County and Gallatin County are mapped here in the early postwar era, capturing a landscape of remote ranger stations and historic family ranches. Researchers can locate early forest outposts like Yellow Mule Ranger Sta or trace old backcountry routes such as the Wapiti Trail and Eldridge Trail.
    4 unique versions available
  46. 1950 Map of Jefferson Island, 1954 Print
    1950 Map of Jefferson Island, 1954 Print
    1950 Jefferson Island
    1954 Print · USGS
    The Jefferson River valley in the early 1950s reveals a landscape of industrial rail lines and established family ranchlands. Genealogists and local historians can locate early homesteads like Tribble Ranch, the Eureka School, and the South Boulder Cemetery.
    4 unique versions available
  49. 1951 Map of Norris
    1951 Map of Norris
    1951 Norris
    1951 Print · USGS
    The Madison River valley was a hub of irrigation and mining just after the war. Genealogists can locate family holdings like Noble Ranch or Barter Ranch and trace the paths of the Northern Pacific and Cherry Creek School.
    2 unique versions available
  52. 1951 Map of Bozeman Pass, 1952 Print
    1951 Map of Bozeman Pass, 1952 Print
    1951 Bozeman Pass
    1952 Print · USGS
    Gallatin and Park counties are captured during the early 1950s, showing the high-country divide between Bozeman and Livingston. Genealogists and historians can trace family-named homesteads and old industrial sites like the Anaconda Copper Mines, Malmborg School, and the Shaodan Sawmill.
    5 unique versions available
  55. 1951 Map of Sixteen NE, 1952 Print
    1951 Map of Sixteen NE, 1952 Print
    1951 Sixteen NE
    1952 Print · USGS
    The ranching country of central Montana is captured here just after mid-century as homesteads were consolidating. Genealogists and historians can trace family landmarks and land-use shifts through sites like Campbell Ranch, Heath Ranch, and the Oil Well on Elk Ridge.
    3 unique versions available
  58. 1951 Map of Wallrock, 1953 Print
    1951 Map of Wallrock, 1953 Print
    1951 Wallrock
    1953 Print · USGS
    Gallatin and Park counties in the early fifties reveal a high-country landscape at the headwaters of the Missouri River Basin. Researchers can trace the complex drainage of Wallrock Basin and locate the mountain-fed Kistner-Hardy Dam near Wallrock.
    3 unique versions available
  61. 1951 Map of Hatfield Mountain, 1953 Print
    1951 Map of Hatfield Mountain, 1953 Print
    1951 Hatfield Mountain
    1953 Print · USGS
    Gallatin County during the early 1950s is captured here as a remote mountain landscape of high ridges and forestry outposts. Researchers can trace the layout of the Troy Ranger Station and identify historical land use at Miller Ranch or Bearskull.
    3 unique versions available
  64. 1951 Map of Sedan, 1956 Print
    1951 Map of Sedan, 1956 Print
    1951 Sedan
    1956 Print · USGS
    The high country of the Bridger Range and the settlement of Sedan are shown in the early fifties, highlighting a landscape of timber and ranching. Researchers can locate the Ryan Sawmill, the historic Spring Hill Pavilion, and remote outposts like Battle Ridge Ranger Station.
    3 unique versions available
  67. 1953 Map of Bozeman
    1953 Map of Bozeman
    1953 Bozeman
    1953 Print · USGS
    Bozeman and the surrounding Gallatin Valley are captured here in the early fifties, showing a landscape defined by collegiate growth and irrigation. Researchers can trace family ranch lands like Patterson Ranch or locate local landmarks including Bozeman Hot Springs and Montana State College.
    5 unique versions available
  70. 1955 Map of Bozeman
    1955 Map of Bozeman
    1955 Bozeman
    1955 Print · USGS
    Bozeman and the upper Missouri River headwaters are captured here during the mid-fifties, showing the vital rail and river networks of southwestern Montana. Local historians can trace the routes of the Northern Pacific railroad through Livingston and locate smaller settlements like Trident, Anceney, and Jardine.
  73. 1955 Map of Garnet Mountain, 1957 Print
    1955 Map of Garnet Mountain, 1957 Print
    1955 Garnet Mountain
    1957 Print · USGS
    The Gallatin Canyon corridor is captured here in the mid-fifties as mountain industry and recreation began to shape the forest. Researchers can trace the development of the Karst Ranch, find the Blanchard Sawmill, and locate the Mica Mine.
    4 unique versions available
Showing maps 1-25 of 115

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