Join Free

1900s (20th Century) Maps of Petroleum County, Montana

Explore 64 historic maps of Petroleum County 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 Petroleum County'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 Petroleum County's history through authentic maps from the 1900s. This is your window into the past.

Petroleum County, MT maps

(64)
  1. 1954 Map of Jordan, 1965 Print
    1954 Map of Jordan, 1965 Print
    1954 Jordan
    1965 Print · USGS
    Covers Petroleum County, including Jordan, Dryer Place, and other nearby areas
    2 unique versions available
  4. 1954 Map of Forsyth, 1966 Print
    1954 Map of Forsyth, 1966 Print
    1954 Forsyth
    1966 Print · USGS
    Covers Petroleum County, including Forsyth, Hysham, and other nearby areas
    3 unique versions available
  7. 1954 Map of Roundup, 1966 Print
    1954 Map of Roundup, 1966 Print
    1954 Roundup
    1966 Print · USGS
    Covers Petroleum County, including Roundup, Harlowton, and other nearby areas
    2 unique versions available
  10. 1954 Map of Lewistown, 1967 Print
    1954 Map of Lewistown, 1967 Print
    1954 Lewistown
    1967 Print · USGS
    Covers Petroleum County, including Lewistown, Denton, and other nearby areas
    3 unique versions available
  13. 1956 Map of Jordan
    1956 Map of Jordan
    1956 Jordan
    1956 Print · USGS
    Covers Petroleum County, including Jordan, Dryer Place, and other nearby areas
  16. 1957 Map of Forsyth
    1957 Map of Forsyth
    1957 Forsyth
    1957 Print · USGS
    Covers Petroleum County, including Forsyth, Hysham, and other nearby areas
  19. 1958 Map of Jordan
    1958 Map of Jordan
    1958 Jordan
    1958 Print · USGS
    Covers Petroleum County, including Jordan, Dryer Place, and other nearby areas
  22. 1958 Map of Roundup
    1958 Map of Roundup
    1958 Roundup
    1958 Print · USGS
    Covers Petroleum County, including Roundup, Harlowton, and other nearby areas
    2 unique versions available
  25. 1958 Map of Forsyth
    1958 Map of Forsyth
    1958 Forsyth
    1958 Print · USGS
    Covers Petroleum County, including Forsyth, Hysham, and other nearby areas
  28. 1959 Map of Lewistown
    1959 Map of Lewistown
    1959 Lewistown
    1959 Print · USGS
    Covers Petroleum County, including Lewistown, Denton, and other nearby areas
    3 unique versions available
  31. 1962 Map of Mosby, 1965 Print
    1962 Map of Mosby, 1965 Print
    1962 Mosby
    1965 Print · USGS
    Covers Petroleum County, including Mosby, Garfield County, and other nearby areas
    2 unique versions available
  34. 1962 Map of Maxwell Ranch, 1965 Print
    1962 Map of Maxwell Ranch, 1965 Print
    1962 Maxwell Ranch
    1965 Print · USGS
    Covers Petroleum County, including Rosebud County, Garfield County, and other nearby areas
    2 unique versions available
  37. 1962 Map of Mosby SE, 1965 Print
    1962 Map of Mosby SE, 1965 Print
    1962 Mosby SE
    1965 Print · USGS
    Covers Petroleum County, including Rosebud County, Garfield County, and other nearby areas
    2 unique versions available
  40. 1963 Map of Kelley, 1966 Print
    1963 Map of Kelley, 1966 Print
    1963 Kelley
    1966 Print · USGS
    Covers Petroleum County, including Kelley, Musselshell County, and other nearby areas
  43. 1963 Map of Petrolia Lake, 1966 Print
    1963 Map of Petrolia Lake, 1966 Print
    1963 Petrolia Lake
    1966 Print · USGS
    Covers Petroleum County, including United States, Montana, and other nearby areas
  46. 1963 Map of Breed Spring, 1966 Print
    1963 Map of Breed Spring, 1966 Print
    1963 Breed Spring
    1966 Print · USGS
    Covers Petroleum County, including United States, Montana, and other nearby areas
  49. 1963 Map of Mud Spring, 1966 Print
    1963 Map of Mud Spring, 1966 Print
    1963 Mud Spring
    1966 Print · USGS
    Covers Petroleum County, including Musselshell County, United States, and other nearby areas
  52. 1964 Map of Jordan
    1964 Map of Jordan
    1964 Jordan
    1964 Print · USGS
    Covers Petroleum County, including Jordan, Dryer Place, and other nearby areas
  55. 1965 Map of Dry Coulee, 1968 Print
    1965 Map of Dry Coulee, 1968 Print
    1965 Dry Coulee
    1968 Print · USGS
    Covers Petroleum County, including Woods Place, Phillips County, and other nearby areas
    2 unique versions available
  58. 1965 Map of Germaine Coulee West, 1969 Print
    1965 Map of Germaine Coulee West, 1969 Print
    1965 Germaine Coulee West
    1969 Print · USGS
    Covers Petroleum County, including Garfield County, Phillips County, and other nearby areas
    3 unique versions available
  61. 1965 Map of Chain Buttes, 1969 Print
    1965 Map of Chain Buttes, 1969 Print
    1965 Chain Buttes
    1969 Print · USGS
    Covers Petroleum County, including Phillips County, United States, and other nearby areas
    2 unique versions available
  64. 1965 Map of Locke Ranch, 1969 Print
    1965 Map of Locke Ranch, 1969 Print
    1965 Locke Ranch
    1969 Print · USGS
    Covers Petroleum County, including Phillips County, United States, and other nearby areas
    2 unique versions available
  67. 1965 Map of Weingart Place, 1969 Print
    1965 Map of Weingart Place, 1969 Print
    1965 Weingart Place
    1969 Print · USGS
    Covers Petroleum County, including United States, Montana, and other nearby areas
  70. 1965 Map of Weingart Place NW, 1969 Print
    1965 Map of Weingart Place NW, 1969 Print
    1965 Weingart Place NW
    1969 Print · USGS
    Covers Petroleum County, including United States, Montana, and other nearby areas
  73. 1967 Map of Nelson Coulee, 1970 Print
    1967 Map of Nelson Coulee, 1970 Print
    1967 Nelson Coulee
    1970 Print · USGS
    Covers Petroleum County, including Garfield County, United States, and other nearby areas
Showing maps 1-25 of 64

Top cities of Petroleum County

Frequently asked questions

  • What are the different types of historical maps available for Petroleum County?
  • What is the oldest map of Petroleum County?
  • Where can I purchase historical maps of Petroleum County for my home or office?
  • Where can I download high-res historical maps of Petroleum County?
  • Are there historical topographic maps available for Petroleum County?
  • Is there historical aerial imagery available for Petroleum County?
  • Where are historical maps of Petroleum County sourced from?

Explore Petroleum County by time and use case

Centuries