1900s (20th Century) Maps of Barnum, Wyoming
Explore 5 historic maps of Barnum 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 Barnum'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 Barnum's history through authentic maps from the 1900s. This is your window into the past.
Barnum, WY maps
(5)- 1955 Map of Arminto, 1976 Print
1955 Arminto1976 Print · USGSCentral Wyoming at the mid-century shows a landscape of energy reserves and high-plains ranching. Genealogists and historians can trace the Burlington Northern line through Lost Cabin and the famed Teapot Dome Naval Petroleum Reserve No 3.2 unique versions available - 1958 Map of Arminto
1958 Arminto1958 Print · USGSCentral Wyoming in the late fifties was a landscape of high-plains energy and remote rail outposts. Researchers can trace the Chicago Burlington and Quincy railroad through towns like Arminto and Waltman or locate landmarks like Teapot Rock. - 1961 Map of Barnum, 1962 Print
1961 Barnum1962 Print · USGSThe ranchlands of Johnson County come to life in this early 1960s survey of the iconic Powder River country. Genealogists and historians can trace the foundations of local legacy through sites like the Roy Rinker Homestead, Grave Ranch, and the legendary Outlaw Cave.2 unique versions available - 1962 Map of Arminto
1962 Arminto1962 Print · USGSCentral Wyoming in the early sixties reveals a landscape shaped by the Chicago and North Western railroad and early energy development. Trace the history of the region through remote outposts like Arminto, the US Naval Petroleum Reserve, and the geologic landmark at Hells Half Acre. - 1984 Map of Barnum
1984 Barnum1984 Print · USGSBarnum and the foothills of the Big Horns appear in this mid-seventies survey of Johnson County. Researchers can trace historical irrigation via the White Panther Ditch or locate landmarks like Castle Rock and the Minecke Trail.
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