1900s (20th Century) Maps of Mammoth, Wyoming
Explore 9 historic maps of Mammoth 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 Mammoth'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 Mammoth's history through authentic maps from the 1900s. This is your window into the past.
Mammoth, WY maps
(9)- 1901 Map of Gallatin
1901 Gallatin1901 Print · USGSThe high plateau of the Yellowstone country appears here in the late nineteenth century, just as its hydrothermal wonders were becoming globally known. Researchers can locate early campsites and lodges near the Norris Geyser Basin, Obsidian Cliff, and Mammoth Hot Springs. - 1908 Map of Gallatin
1908 Gallatin1908 Print · USGSYellowstone National Park in the early 1900s reveals a wilderness of hydrothermal wonders and early frontier outposts. Trace the locations of original park structures like Fort Yellowstone and thermal landmarks including Norris Geyser Basin and Beryl Spring. - 1911 Map of Gallatin
1911 Gallatin1911 Print · USGSYellowstone's thermal wonders and early military outposts are recorded in detail just after the turn of the century. Researchers can trace the early road and trail systems connecting landmark sites like Fort Yellowstone, the Norris Geyser Basin, and the Fountain Hotel.2 unique versions available - 1955 Map of Ashton, 1967 Print
1955 Ashton1967 Print · USGSThe Greater Yellowstone ecosystem is captured here during the mid-1950s, showing the high plateaus and remote gateway towns of Idaho and Montana. Researchers can trace the Union Pacific line to Ashton or locate small settlements like Squirrel and Grainville.4 unique versions available - 1958 Map of Ashton
1958 Ashton1958 Print · USGSGreater Yellowstone and the eastern Idaho borderlands appear here in the mid-1950s as rail and road networks connected remote mountain basins. Trace the Union Pacific route through Ashton or locate early outposts like Last Chance, Squirrel, and West Yellowstone. - 1958 Map of Mammoth, 1960 Print
1958 Mammoth1960 Print · USGSYellowstone's northwest corner is documented here in the late fifties, showcasing the development of park headquarters and major geothermal landmarks. Researchers can locate the Cem, Mammoth Hot Springs, and early sites like the Indian Creek Campground.4 unique versions available - 1960 Map of Ashton
1960 Ashton1960 Print · USGSThe Idaho-Montana-Wyoming borderlands at the dawn of the sixties show a landscape defined by the Continental Divide and early wilderness tourism. Genealogists and historians can trace rail-stop settlements like Trude Siding, old outposts like Warm River, and early lodging at Snowball Inn. - 1983 Map of Yellowstone National Park North
1983 Yellowstone National Park North1983 Print · USGSThe northern wilderness of Wyoming and Montana is captured here in the early eighties, documenting the geothermal landmarks and early visitor infrastructure. Trace the historic paths of the Howard Eaton Trail or locate park icons like Mammoth Hot Springs and the Lake Hotel. - 1986 Map of Mammoth
1986 Mammoth1986 Print · USGSYellowstone’s northern gateway and geothermal heart are captured here in the mid-eighties, showing the administrative and natural landscape at Mammoth. Researchers can locate specific travertine formations like Main Terrace or trace old routes through Kingman Pass and past Swan Lake.2 unique versions available
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