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Old Maps of Ault, Colorado for Genealogy

Trace your family roots with 11 historic maps of Ault. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to Ault's past.

Ault, CO maps

(11)
  1. 1908 Map of Eaton, 1957 Print
    1908 Map of Eaton, 1957 Print
    1908 Eaton
    1957 Print · USGS
    Weld and Larimer counties are seen here in the early twentieth century as irrigation and rail lines transformed the high plains. Researchers can trace the development of agricultural hubs like Pierce and Severance alongside rural landmarks like Albert School and the Indian Springs Coal Mine.
  4. 1910 Map of Eaton
    1910 Map of Eaton
    1910 Eaton
    1910 Print · USGS
    Northern Colorado at the turn of the century shows a landscape transformed by railroads and early irrigation projects. Genealogists can locate many family-named landmarks like Slaxton Ranch and rural schoolhouses including Abbot School and Birch School.
    3 unique versions available
  7. 1954 Map of Greeley, 1966 Print
    1954 Map of Greeley, 1966 Print
    1954 Greeley
    1966 Print · USGS
    Northern Colorado transitions from high-alpine peaks to the irrigated South Platte valley during this mid-century period of growth. Genealogists and historians can trace rail-connected hubs like Greeley and Longmont alongside landmarks like Horsetooth Reservoir and Estes Park.
    3 unique versions available
  10. 1957 Map of Greeley
    1957 Map of Greeley
    1957 Greeley
    1957 Print · USGS
    Northern Colorado in the mid-fifties is captured here as the agricultural plains of Weld County meet the high peaks of the Front Range. Genealogists and historians can trace rail-linked towns like Keenesburg and Roggen or locate early water features such as Boyd Lake and Fossil Creek Reservoir.
  13. 1958 Map of Greeley
    1958 Map of Greeley
    1958 Greeley
    1958 Print · USGS
    Northern Colorado and the high peaks of the Front Range appear here in the mid-fifties as the region's agricultural and rail networks were fully established. Genealogists can locate family homes near Virginia Dale, Waverly, or Kuner, and trace the path of the Union Pacific Railroad through Greeley.
  16. 1960 Map of Eaton, 1962 Print
    1960 Map of Eaton, 1962 Print
    1960 Eaton
    1962 Print · USGS
    The agricultural heart of Weld County is on display in the early sixties, centered on the growing towns of Ault and Eaton. Genealogists and researchers can trace local landmarks like Wyatt Sch, the Barnett Airfield, and the Union Pacific rail line.
    4 unique versions available
  19. 1961 Map of Greeley
    1961 Map of Greeley
    1961 Greeley
    1961 Print · USGS
    Northern Colorado's transition from high mountain peaks to irrigated plains is captured here just as the post-war population boom reached the Front Range. Researchers can trace early water infrastructure and rail lines like the Great Western RR connecting sugar beet hubs from Fort Collins to Greeley.
  22. 1964 Map of Greeley
    1964 Map of Greeley
    1964 Greeley
    1964 Print · USGS
    The Front Range corridor and high peaks of the Rockies appear here in the mid-1960s, showing the intersection of mountain wilderness and plains agriculture. Trace the rail routes of the Great Western RR or locate landmarks like Longs Peak and Horsetooth Reservoir.
  25. 1965 Map of Greeley
    1965 Map of Greeley
    1965 Greeley
    1965 Print · USGS
    Northern Colorado in the mid-sixties shows a landscape defined by high mountain summits and the growing irrigation networks of the plains. Genealogists and historians can trace rail-side towns like Wellington or follow the early tracks of the Union Pacific Railroad past Longs Peak.
  28. 1982 Map of Eaton
    1982 Map of Eaton
    1982 Eaton
    1982 Print · USGS
    Northern Colorado and the Wyoming borderlands are captured here in the early eighties, showcasing a vast agricultural and rail landscape. Trace family roots and vanished infrastructure through Chalk Bluffs, the Great Western railroad, and Keota.
    2 unique versions available
  31. 2022 Map of Eaton, 2022 Print
    2022 Map of Eaton, 2022 Print
    2022 Eaton
    2022 Print · USGS
    Weld County’s agricultural heartland is documented here in the early twenty-first century, spanning the corridor between two prominent plains towns. Researchers can trace the layout of Ault and Eaton, locating family sites near Ault Cem or irrigation landmarks like the Larimer County Canal.
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