1900s (20th Century) Maps of Thornton, Wyoming
Explore 8 historic maps of Thornton 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 Thornton'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 Thornton's history through authentic maps from the 1900s. This is your window into the past.
Thornton, WY maps
(8)- 1918 Map of Moorcroft
1918 Moorcroft1918 Print · USGSNortheastern 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 - 1954 Map of Gillette, 1975 Print
1954 Gillette1975 Print · USGSGillette 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. - 1955 Map of Gillette, 1976 Print
1955 Gillette1976 Print · USGSNortheastern 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. - 1957 Map of Upton, 1959 Print
1957 Upton1959 Print · USGSUpton 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 - 1958 Map of Gillette
1958 Gillette1958 Print · USGSNortheastern 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 - 1962 Map of Gillette
1962 Gillette1962 Print · USGSHigh 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. - 1979 Map of Sundance
1979 Sundance1979 Print · USGSThe 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 - 1984 Map of Thornton
1984 Thornton1984 Print · USGSThe 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.
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