Old Maps of Three Forks, Wyoming for Academic Research

Study the evolution of Three Forks with 7 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Three Forks has changed over the decades.


Three Forks, WY maps

(7)
  1. 1955 Map of Casper, 1977 Print
    1955 Map of Casper, 1977 Print
    1955 Casper
    1977 Print · USGS
    Central Wyoming in the mid-fifties is defined by its massive water projects and an emerging energy economy centered around Casper. Genealogists and historians can trace old ranching outposts like Ervay alongside industrial sites such as the Uranium Mill and Poison Spider Oil Field.

  2. 1958 Map of Casper
    1958 Map of Casper
    1958 Casper
    1958 Print · USGS
    Central Wyoming in the late fifties is defined by its massive high-desert reservoirs and the burgeoning energy infrastructure around Casper. Genealogists and researchers can trace remote outposts like Bairoil and Love Ranch or locate the Poison Spider Oil Field.
    2 unique versions available

  3. 1962 Map of Casper
    1962 Map of Casper
    1962 Casper
    1962 Print · USGS
    Central Wyoming during the early sixties was a landscape of expanding energy production and massive water projects. Researchers can trace the mid-century footprint of the Lost Soldier Oil Field, the development of Casper Air Terminal, and the irrigation network of Pathfinder Reservoir.

  4. 1962 Map of Muddy Gap, 1964 Print
    1962 Map of Muddy Gap, 1964 Print
    1962 Muddy Gap
    1964 Print · USGS
    Carbon County ranching and mountain passages are captured here in the early sixties. Researchers can locate family landmarks like the George Tully Homestead or trace water rights at Hays Ditch and Hanna Mahoney Reservoir No 2.
    2 unique versions available

  5. 1979 Map of Bairoil, 1980 Print
    1979 Map of Bairoil, 1980 Print
    1979 Bairoil
    1980 Print · USGS
    South-central Wyoming in the late 1970s was a landscape of remote energy outposts and high-desert ranges. Researchers can trace the industrial footprint of the Sunday Morning Mine and settlements like Bairoil and Jeffrey City.

  6. 1988 Map of Casper
    1988 Map of Casper
    1988 Casper
    1988 Print · USGS
    High plains and mountain ranges define Central Wyoming in the late eighties, centered on the growth of the Casper urban corridor. Genealogists and researchers can trace the rail lines of the Chicago and North Western RR or locate small outposts like Jeffrey City and Bairoil.

  7. 2021 Map of Muddy Gap, 2021 Print
    2021 Map of Muddy Gap, 2021 Print
    2021 Muddy Gap
    2021 Print · USGS
    Carbon County’s high desert and mountain passes are captured here in the early twenty-first century. Researchers can trace the water history of the area via the Hanna Mahoney Reservoir Number Two and landmarks like Muddy Gap and the Ferris Mountains.

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Frequently asked questions

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  • Are there historical topographic maps available for Three Forks?
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  • Where are historical maps of Three Forks sourced from?

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