1950s Maps of Petroleum County, Montana
Explore 10 historic maps of Petroleum County from the 1950s. These maps offer a rare glimpse into what life looked like during the 1950s — 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 Petroleum County's landscape evolved across the 1950s, 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 1950s, 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 Petroleum County's history through authentic maps from the 1950s. This is your window into the past.
Petroleum County, MT maps
(10)- 1954 Map of Jordan, 1965 Print1954 Jordan1965 Print · USGSGarfield County in the mid-fifties is a land of expansive ranches and isolated prairie schoolhouses. Researchers can trace rural genealogy and land use through landmarks like Regina School, Robertson Brothers Ranch, and the Charles M Russell National Wildlife Range.2 unique versions available
- 1954 Map of Forsyth, 1966 Print1954 Forsyth1966 Print · USGSThe Yellowstone River valley and the northern high plains are captured here in the mid-1950s during a period of expanding energy and rail infrastructure. Genealogists and historians can trace rail sidings and cattle-country outposts like Ingomar, Vananda, and Angela.3 unique versions available
- 1954 Map of Roundup, 1966 Print1954 Roundup1966 Print · USGSCentral Montana in the mid-1960s showcases a landscape of high-plains agriculture and vital rail connections. Researchers can trace historic routes through Harlowton and Roundup while locating landmarks like Judith Cemetery and Deadmans Basin Reservoir.2 unique versions available
- 1954 Map of Lewistown, 1967 Print1954 Lewistown1967 Print · USGSCentral Montana at the height of the mid-century rail era reveals a landscape shaped by the Judith River and high mountain ranges. Trace the old lines of the Great Northern through Lewistown and Denton, or locate sites like Giltedge and Landusky.3 unique versions available
- 1956 Map of Jordan1956 Jordan1956 Print · USGSCentral Montana ranching country and the massive Missouri River impoundment are captured here in the mid-fifties. Researchers can trace remote homesteading landmarks like Robertson Brothers Ranch and small rural hubs including Jordan, Brusett, and Cohagen.
- 1957 Map of Forsyth1957 Forsyth1957 Print · USGSSouth-central Montana in the late fifties is captured here through its dual-river geography and emergent energy economy. Researchers can trace the path of the Northern Pacific through Forsyth, locate the Ragged Point Oil Field, and find early sidings like Ahles Siding.
- 1958 Map of Jordan1958 Jordan1958 Print · USGSGarfield County and the Missouri River country are shown here in the late fifties as the regional geography adjusted to the massive new reservoir. Genealogists and local historians can trace isolated homesteads and numerous rural schoolhouses like Iler School, Brusett, and the Robertson Brothers Ranch.
- 1958 Map of Roundup1958 Roundup1958 Print · USGSCentral Montana ranching and rail infrastructure are captured here in the late fifties as the Musselshell River valley thrived. Researchers can trace the Great Northern line through Harlowton or locate the Judith Cemetery and Gage Community.2 unique versions available
- 1958 Map of Forsyth1958 Forsyth1958 Print · USGSMid-century Montana comes alive along the Yellowstone River and the competing transcontinental rail lines. Local historians can trace the legacy of the Northern Pacific through Forsyth or explore early oil developments at the Ragged Point Oil Field.
- 1959 Map of Lewistown1959 Lewistown1959 Print · USGSCentral Montana in the mid-1950s shows a landscape defined by the winding Missouri River and the rise of the South Moccasin Mtns. Researchers can trace the rail lines of the Great Northern through towns like Winifred and locate the Cat Creek Oil Field.3 unique versions available
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