1900-1909 Maps of Boulder County, Colorado

1. 1902 Map of Boulder, 1957 Print

   

   1902 Boulder

   1957 Print · USGS

   The Front Range foothills hum with mining and rail activity at the turn of the century. Genealogy researchers can trace families in old mining camps like Gold Hill, Wallstreet, and Sunshine, or follow the winding Colorado and Northwestern RR.

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4. 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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7. 1904 Map of Boulder

   

   1904 Boulder

   1904 Print · USGS

   The Front Range foothills hum with mining activity at the start of the twentieth century, as narrow-gauge rails climb the canyons. Genealogists and historians can trace defunct rail stops and mining camps like Salina, Wallstreet, and Gold Hill Sta..

   6 unique versions available

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10. 1905 Map of Central City

    

    1905 Central City

    1905 Print · USGS

    The Colorado Front Range is captured here at the peak of its early mining era, showing the dense network of gulches and camps. Trace historic mining operations at Central City, follow the high-mountain route of the Denver Northwestern and Pacific RR, or locate vanished settlements like Baltimore and Perigo.

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13. 1905 Map of Mount Olympus, 1955 Print

    

    1905 Mount Olympus

    1955 Print · USGS

    Larimer County mountain life is captured here at the turn of the century as early ranching and tourism began to define the canyons. Genealogists and historians can trace family-held lands such as Pflums Ranch, stay at the Rustic Hotel, or locate the now-submerged site of Pinewood.

    2 unique versions available

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16. 1906 Map of Blackhawk

    

    1906 Blackhawk

    1906 Print · USGS

    The Front Range foothills and mining districts come alive in this early century survey, showing the transition from mountain ranching to industrial rail. Genealogists and historians can trace family holdings like Winiger Ranch, find the Pine Glade School, and follow the Denver Northwestern and Pacific RR.

    5 unique versions available

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19. 1906 Map of Loveland, 1954 Print

    

    1906 Loveland

    1954 Print · USGS

    The Colorado plains meet the Front Range in the early 1900s, showing a landscape transformed by early irrigation and rail. Genealogists can trace family names across Loveland and Berthoud or locate rural sites like Masonville and Benson Lake.

    5 unique versions available

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22. 1907 Map of Mount Olympus

    

    1907 Mount Olympus

    1907 Print · USGS

    Larimer County at the turn of the century shows a landscape of early cattle ranches and mountain retreats along the Thompson River. Genealogists can trace family holdings at the Plum's Ranch and Miners Ranch or locate the historic Rustic Hotel and Noland rail stop.

    4 unique versions available

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25. 1908 Map of Loveland

    

    1908 Loveland

    1908 Print · USGS

    The Front Range foothills of Larimer County come alive in this early 1900s survey, showing a landscape transformed by water engineering and rail. Trace the original irrigation lines like Louden Ditch and find early industrial sites like the Plaster Mill.

    7 unique versions available

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