1900s (20th Century) Maps of Idaho Creek, Frederick

1. 1904 Map of Niwot

   

   1904 Niwot

   1904 Print · USGS

   The northern Colorado plains come alive in the early 1900s, showcasing a landscape shaped by coal mining and extensive irrigation. Genealogists and historians can trace family roots through settlements like Hygiene, Niwot, and Erie, or locate industrial sites such as Dixon Mill and the Gladstone Mine.

   3 unique versions available

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4. 1950 Map of Erie, 1956 Print

   

   1950 Erie

   1956 Print · USGS

   In the mid-century landscape of the Colorado plains, coal mining and irrigation dictate the growth of towns and transport. Genealogists can trace family roots through markers like the Columbine Mine, Gooding School, and Erie Cem.

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7. 1951 Map of Erie

   

   1951 Erie

   1951 Print · USGS

   The mining and agricultural corridor of Weld and Boulder counties is captured here in the early 1950s. Researchers can trace dozens of individual operations like the Morrison Mine and Erie Mine, or locate family sites near the Gooding School and Erie Cemetery.

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10. 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.

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13. 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.

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16. 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.

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19. 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.

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22. 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.

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25. 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.

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28. 1967 Map of Erie, 1968 Print

    

    1967 Erie

    1968 Print · USGS

    The northern Front Range comes alive in this late 1960s survey of the coal and rail corridors between Weld and Boulder Counties. Genealogists and historians can trace the early footprints of Erie and Lafayette, alongside landmarks like the Columbine Mine and the Mountain View Drag Strip.

    6 unique versions available

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31. 1984 Map of Estes Park

    

    1984 Estes Park

    1984 Print · USGS

    The northern Front Range and high peaks come into focus during the mid-eighties, showing the intersection of mountain wilderness and urban expansion. Trace the rail lines of the Union Pacific, the shores of Lake Granby, and historic mountain towns like Gold Hill or Eldora.

    3 unique versions available

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