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1900s (20th Century) Maps of Big Horn County, Wyoming

Explore 127 historic maps of Big Horn 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 Big Horn 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 Big Horn County's history through authentic maps from the 1900s. This is your window into the past.

Big Horn County, WY maps

(127)
  1. 1901 Map of Cloud Peak
    1901 Map of Cloud Peak
    1901 Cloud Peak
    1901 Print · USGS
    The high alpine country of the Big Horn range is captured here at the turn of the century just after its designation as a Forest Reserve. Researchers can trace the rugged headwaters of the Powder River and find remote landmarks like Lake Solitude, Black Butte, and Cloud Peak Lake.
    7 unique versions available
  4. 1901 Map of Dayton
    1901 Map of Dayton
    1901 Dayton
    1901 Print · USGS
    Sheridan County and the Montana borderlands are captured here at the turn of the century as the railroad reshapes the valley. Researchers can trace early settlements and ranching outposts like Slack, Beckton, and the Morrow Ranch along the Tongue River.
    5 unique versions available
  7. 1901 Map of St. Xavier
    1901 Map of St. Xavier
    1901 St. Xavier
    1901 Print · USGS
    Big Horn County at the turn of the century shows a frontier landscape shaped by military history and the early years of the Crow Reservation. Researchers can trace the path of the Old Bozeman Military Road past the Site of Old Fort C. F. Smith and the St. Xavier Mission.
    4 unique versions available
  10. 1901 Map of Bald Mountain
    1901 Map of Bald Mountain
    1901 Bald Mountain
    1901 Print · USGS
    Northern Wyoming's high peaks and timber reserves are captured here at the turn of the century. Researchers can trace early industrial sites like Fortunatus Mill and the isolated settlement of Cloverly near the Shell Creek drainage.
    4 unique versions available
  13. 1951 Map of Burlington, 1952 Print
    1951 Map of Burlington, 1952 Print
    1951 Burlington
    1952 Print · USGS
    Big Horn County irrigation and ranching are in full view during the early fifties, showing how the river was harnessed to green the basin. Researchers can trace the water lines of the Bench Canal and St Joe Canal or find the Avent School and Emblem Cemetery.
    3 unique versions available
  16. 1951 Map of Sucker Dam, 1952 Print
    1951 Map of Sucker Dam, 1952 Print
    1951 Sucker Dam
    1952 Print · USGS
    Big Horn and Washakie counties are shown in the early fifties during a period of Missouri River Basin development. Researchers can locate family-named landmarks like the Rex Mueller Cabin (Aban'd) and the namesake Sucker Dam.
    2 unique versions available
  19. 1951 Map of Schuster Flats NE, 1952 Print
    1951 Map of Schuster Flats NE, 1952 Print
    1951 Schuster Flats NE
    1952 Print · USGS
    Big Horn and Washakie counties meet in this drainage basin during the early fifties energy boom. Genealogists and historians can trace old trails and resource development through labeled Oil Well sites and local landmarks like Dobie Butte and Alamo Creek.
    3 unique versions available
  22. 1951 Map of Schuster Flats NW, 1952 Print
    1951 Map of Schuster Flats NW, 1952 Print
    1951 Schuster Flats NW
    1952 Print · USGS
    The arid lands of the Bighorn Basin are captured here in the early fifties, straddling the Big Horn Co and Washakie Co line. Researchers can trace the intricate drainages of Fivemile Creek and the landmark Red Butte.
    2 unique versions available
  25. 1951 Map of Y U Bench NE, 1953 Print
    1951 Map of Y U Bench NE, 1953 Print
    1951 Y U Bench NE
    1953 Print · USGS
    In the early 1950s, this portion of the Greybull River valley showcases the intensive irrigation systems vital to Wyoming ranching. Researchers can trace historic water rights and family holdings like Thayer Ranch, the Renner-Sims site, and the Fenton School.
    3 unique versions available
  28. 1951 Map of Sheep Mountain, 1953 Print
    1951 Map of Sheep Mountain, 1953 Print
    1951 Sheep Mountain
    1953 Print · USGS
    Big Horn County, Wyoming, is shown here in the early fifties as a landscape of high ridges and developing water infrastructure. Genealogists and historians can trace local landmarks like Tatman Mountain, the St Joe Canal, and Neres Reservoir.
    2 unique versions available
  31. 1951 Map of Tatman Mountain, 1953 Print
    1951 Map of Tatman Mountain, 1953 Print
    1951 Tatman Mountain
    1953 Print · USGS
    The Bighorn Basin high country is captured here in the early fifties, showing the upland terrain between Park and Big Horn counties. Local historians can trace early routes through Fenton Pass and across landmarks like Tatman Mountain and Sheets Mountain.
    2 unique versions available
  34. 1951 Map of Wardel Reservoir, 1953 Print
    1951 Map of Wardel Reservoir, 1953 Print
    1951 Wardel Reservoir
    1953 Print · USGS
    Big Horn County irrigation and water management are captured here in the early fifties during the Missouri River Basin development era. Genealogists and historians can trace the vital network of the Joe Canal and Fairview Ditch near Wardel Reservoir.
  37. 1951 Map of Otto, 1953 Print
    1951 Map of Otto, 1953 Print
    1951 Otto
    1953 Print · USGS
    The Greybull River valley in the early fifties shows a landscape transformed by irrigation. Researchers can trace the homestead-era roots of Otto and Webster, and find the location of the Stringtown School and several family-named ditches.
    2 unique versions available
  40. 1951 Map of Dead Indian Hill, 1953 Print
    1951 Map of Dead Indian Hill, 1953 Print
    1951 Dead Indian Hill
    1953 Print · USGS
    The high grazing lands of Park and Big Horn Counties are captured here in the early fifties, showing a remote landscape of canyons and livestock bedgrounds. Researchers can locate specific family landmarks and homesteads like the Mc Donald Cabins, Johnson Cabin, and the Sales Place.
    2 unique versions available
  43. 1951 Map of Dutch Nick Flat NW, 1953 Print
    1951 Map of Dutch Nick Flat NW, 1953 Print
    1951 Dutch Nick Flat NW
    1953 Print · USGS
    The Big Horn Basin rangeland is captured here in the early fifties, showing a landscape defined by seasonal watercourses and remote ranching outposts. Researchers can trace the path of Fenton Pass Road and locate landmarks like Mueller Cabin or Rock Waterhole Creek.
    2 unique versions available
  46. 1954 Map of Billings, 1963 Print
    1954 Map of Billings, 1963 Print
    1954 Billings
    1963 Print · USGS
    The Yellowstone valley during the mid-fifties shows a landscape of thriving rail towns and high-mountain outposts. Genealogists and historians can trace old homesteads and mining routes near Red Lodge, Bearcreek, and along the Bighorn River.
    4 unique versions available
  49. 1954 Map of Hardin, 1964 Print
    1954 Map of Hardin, 1964 Print
    1954 Hardin
    1964 Print · USGS
    Southeastern Montana is documented here during the mid-fifties, showing the vast tribal lands and historic battle sites before modern highway expansion. Researchers can trace the Chicago Burlington and Quincy rail line through Hardin or locate the Custer National Cemetery and Museum.
    2 unique versions available
  52. 1955 Map of Cody, 1969 Print
    1955 Map of Cody, 1969 Print
    1955 Cody
    1969 Print · USGS
    The Bighorn Basin and Absaroka Range meet in the mid-fifties, capturing a landscape defined by mountain wilderness and burgeoning oil fields. Trace family roots in Cody or Meeteetse, and locate industrial landmarks like the Elk Basin Oil and Gas Field and the Chicago Burlington and Quincy RR.
    2 unique versions available
  55. 1955 Map of Sheridan, 1973 Print
    1955 Map of Sheridan, 1973 Print
    1955 Sheridan
    1973 Print · USGS
    The Bighorn Mountains meet the Powder River Basin in the 1950s, a period when cattle ranching and coal mining defined the regional economy. Genealogists and historians can trace local landmarks like the Fort Mackenzie Veteran Hospital, the Monarch Coal Mine, and legacy operations such as the Beckton Stock Farm.
    2 unique versions available
  58. 1957 Map of Hardin
    1957 Map of Hardin
    1957 Hardin
    1957 Print · USGS
    Southeastern Montana in the mid-fifties reveals a landscape shaped by tribal lands and the historic Bighorn river valleys. Researchers can trace the Chicago Burlington and Quincy RR through Hardin and locate the National Cemetery and Custer Battlefield Monument.
  61. 1957 Map of Billings
    1957 Map of Billings
    1957 Billings
    1957 Print · USGS
    The Yellowstone River valley and the rugged Beartooth Mountains meet in the mid-1950s near the growing hub of Billings. Genealogists and researchers can trace rail and ranching history through river towns like Columbus, the mining heritage of Red Lodge, and the vast Crow Indian Reservation.
  64. 1958 Map of Billings
    1958 Map of Billings
    1958 Billings
    1958 Print · USGS
    Mid-century Montana comes alive in this survey of the Yellowstone Valley as the regional rail and road networks reached their peak. Trace family roots and old routes near Billings, the Crow Indian Reservation, and the heights of the Beartooth Mountains.
    2 unique versions available
  67. 1958 Map of Cody
    1958 Map of Cody
    1958 Cody
    1958 Print · USGS
    Northwestern Wyoming at the peak of the mid-century energy and ranching boom shows a land of high peaks and oil basins. Researchers can trace the Chicago Burlington and Quincy rail lines through Greybull or locate the sprawling Elk Basin Oil and Gas Field.
  70. 1958 Map of Hardin
    1958 Map of Hardin
    1958 Hardin
    1958 Print · USGS
    Southeastern Montana in the mid-fifties presents a landscape defined by significant tribal lands and national monuments. Researchers can trace the geography of the Little Bighorn at Custer Battlefield National Monument and locate settlements like Lame Deer and Birney.
  73. 1958 Map of Sheridan
    1958 Map of Sheridan
    1958 Sheridan
    1958 Print · USGS
    The Bighorn Mountains meet the high plains in the mid-1950s, revealing a landscape of large-scale ranching and mineral extraction. Trace the legacy of early settlements and industry through the Kleenburn Coal Tipple, Beckton Stock Farm, and the Hidden Dome Oil & Gas Field.
    2 unique versions available
Showing maps 1-25 of 127

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