Old Maps of Thornton, Wyoming

Explore 9 old maps of Thornton, spanning from 1918 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Thornton changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
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Start exploring old maps of Thornton to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.


Thornton, WY maps

(9)
  1. 1918 Map of Moorcroft
    1918 Map of Moorcroft
    1918 Moorcroft
    1918 Print · USGS
    Northeastern Wyoming’s ranching and railroad landscape is captured here just before the end of the Great War. Genealogists can locate nearly twenty rural schoolhouses, including the Dakota Ridge School, while following the Chicago Burlington and Quincy rail line through Thornton and Upton.
    2 unique versions available

  2. 1954 Map of Gillette, 1975 Print
    1954 Map of Gillette, 1975 Print
    1954 Gillette
    1975 Print · USGS
    Gillette and the northeast Wyoming ranching country are captured here in the mid-1950s as coal and bentonite mining shaped the local economy. Genealogists can trace family landmarks like the Bethlehem Church, Wellman School, and early settlements along the Chicago Burlington and Quincy RR.

  3. 1955 Map of Gillette, 1976 Print
    1955 Map of Gillette, 1976 Print
    1955 Gillette
    1976 Print · USGS
    Northeastern Wyoming in the mid-twentieth century is captured here as the energy and ranching landscape began to shift. Genealogists and historians can trace the foundations of local communities through sites like Wyodak, the Pleasantdale Community Building, and landmarks like Devils Tower National Monument.

  4. 1957 Map of Upton, 1959 Print
    1957 Map of Upton, 1959 Print
    1957 Upton
    1959 Print · USGS
    Upton and the surrounding Weston County high plains are captured here in the late fifties during a period of steady rail and industrial activity. Researchers can trace the Chicago Burlington and Quincy line past Thornton to Bentley, locating old Clay Pits and family-named features like Mc Crady Draw.
    2 unique versions available

  5. 1958 Map of Gillette
    1958 Map of Gillette
    1958 Gillette
    1958 Print · USGS
    Northeastern Wyoming and the Black Hills are captured here in the late fifties, showcasing a landscape of high-plains ranching and emerging energy production. Researchers can trace the rail-side growth of Gillette and find historic rural landmarks like the Wyodak Coal Mine, Bethlehem Church, and Devils Tower National Monument.
    2 unique versions available

  6. 1962 Map of Gillette
    1962 Map of Gillette
    1962 Gillette
    1962 Print · USGS
    High plains ranching and coal mining dominate the Powder River Basin in the early sixties. Genealogists can trace rural communities through landmarks like the Bethlehem Church, Lake School, and settlements such as Moorcroft and Sundance.

  7. 1979 Map of Sundance
    1979 Map of Sundance
    1979 Sundance
    1979 Print · USGS
    The Black Hills borderlands in the late 1970s show a region of high peaks and vital rail corridors connecting Wyoming to South Dakota. Researchers can trace historic routes and industry through settlements like Clay Spur, Upton, and the Historical Monument.
    2 unique versions available

  8. 1984 Map of Thornton
    1984 Map of Thornton
    1984 Thornton
    1984 Print · USGS
    The Crook County and Weston County borderlands are shown here in the mid-1980s, highlighting a landscape of resource extraction and high plains ridges. Genealogists and historians can trace the development of Thornton and locate industrial landmarks like the OIL FIELD and BENTONITE PITS.

  9. 2021 Map of Thornton, 2021 Print
    2021 Map of Thornton, 2021 Print
    2021 Thornton
    2021 Print · USGS
    The high plains of Crook County come to life in this contemporary study of the Thornton area and its surrounding public lands. Trace the livestock and water infrastructure that sustains the region, from Thornton Reservoir to the family-named Luman Reservoir.

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