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1900s (20th Century) Maps of Idaho Springs, Colorado

Explore 21 historic maps of Idaho Springs 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 Idaho Springs'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 Idaho Springs's history through authentic maps from the 1900s. This is your window into the past.

Idaho Springs, CO maps

(21)
  1. 1903 Map of Georgetown, 1957 Print
    1903 Map of Georgetown, 1957 Print
    1903 Georgetown
    1957 Print · USGS
    Mining operations and mountain railroads define the Clear Creek valley at the dawn of the twentieth century. Trace the iconic Georgetown Loop railroad and locate historic mining centers like Silver Plume, Lamartine, and the Stanley Mines.
  4. 1905 Map of Central City
    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.
  7. 1905 Map of Georgetown
    1905 Map of Georgetown
    1905 Georgetown
    1905 Print · USGS
    The Clear Creek valley was a hive of industrial activity at the start of the twentieth century, anchored by the rail connection between Georgetown and Silver Plume. Trace the famous Georgetown Loop and find high-altitude mining sites at Lamartine and Freeland.
    5 unique versions available
  10. 1906 Map of Blackhawk
    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
  13. 1910 Map of Central City, 1957 Print
    1910 Map of Central City, 1957 Print
    1910 Central City
    1957 Print · USGS
    The Colorado high country at the start of the century reveals a landscape defined by mining booms and engineering marvels. Trace the intricate rail networks of the Colorado Southern RR or locate family roots in the historic camps of Nevadaville and Central City.
    2 unique versions available
  16. 1912 Map of Central City
    1912 Map of Central City
    1912 Central City
    1912 Print · USGS
    The Colorado Front Range mining districts were in full operation during this era of deep-shaft extraction and mountain railroading. Researchers can trace the industrial footprint of Central City, locate the Boulder County Mine, and follow the path of the Colorado and Southern RR through the gulches.
    4 unique versions available
  19. 1942 Map of Central City, 1955 Print
    1942 Map of Central City, 1955 Print
    1942 Central City
    1955 Print · USGS
    Gilpin County’s gold mining heartland is captured here during the early Forties, centered on the intense industrial activity around Central City. Researchers can trace the era's mining infrastructure through features like The Glory Hole, Pittsburg Mine, and the Bald Mtn Cem.
    5 unique versions available
  22. 1942 Map of Black Hawk, 1957 Print
    1942 Map of Black Hawk, 1957 Print
    1942 Black Hawk
    1957 Print · USGS
    The Colorado high country around Gilpin and Jefferson counties comes into sharp focus during the early 1940s. Genealogists and historians can trace the mining-era roots of Black Hawk and Central City, while finding local landmarks like the Mountain House Sch and Summit Mine.
    4 unique versions available
  25. 1944 Map of Black Hawk
    1944 Map of Black Hawk
    1944 Black Hawk
    1944 Print · USGS
    The mining heart of Gilpin County is frozen in time during the mid-1940s, showing the early layouts of two famous gold-rush towns. Genealogists and historians can trace family-named terrain and remote sites like the Summit Mine, Bay State Sch, and Russell Gulch.
    2 unique versions available
  28. 1944 Map of Central City
    1944 Map of Central City
    1944 Central City
    1944 Print · USGS
    Mid-century Colorado mining country is documented here, centering on the historic Gilpin County district during the 1940s. Genealogists and historians can trace the foundations of Central City, locate the massive Glory Hole, and find smaller settlements like Nevadaville and Apex.
    2 unique versions available
  31. 1948 Map of Black Hawk
    1948 Map of Black Hawk
    1948 Black Hawk
    1948 Print · USGS
    The Gilpin County mining districts are captured here in the late 1940s as the high-country landscape balanced industrial roots with modern road expansion. Researchers can trace the steep streets of Black Hawk or locate remote landmarks like the Summit Mine and the Mountain House Sch.
  34. 1953 Map of Denver, 1964 Print
    1953 Map of Denver, 1964 Print
    1953 Denver
    1964 Print · USGS
    Denver and the Colorado Front Range are captured here during a decade of post-war growth and military expansion. Researchers can trace the sprawling rail lines of the Union Pacific, locate the State Capitol, and explore historic mountain mining hubs like Central City.
    6 unique versions available
  37. 1957 Map of Denver
    1957 Map of Denver
    1957 Denver
    1957 Print · USGS
    Denver and the Colorado Front Range are seen here during a mid-century period of intense military and urban expansion. Trace the footprints of the Rocky Mountain Arsenal, the early United States Air Force Academy, and the Lowry AF Base.
  40. 1957 Map of Idaho Springs, 1959 Print
    1957 Map of Idaho Springs, 1959 Print
    1957 Idaho Springs
    1959 Print · USGS
    Idaho Springs and the surrounding high country are shown here in the late fifties, during a peak era of mining and mountain recreation. Researchers can locate dozens of named claims and shafts like the Lamartine Mine or trace family sites at Doolittle Ranch and the Idaho Springs Cem.
    6 unique versions available
  43. 1957 Map of Squaw Pass, 1959 Print
    1957 Map of Squaw Pass, 1959 Print
    1957 Squaw Pass
    1959 Print · USGS
    The high country west of Denver comes to life in this mid-century survey of the Front Range foothills and peaks. Genealogists and local historians can locate early homesteads and ranching hubs like Evans Ranch Hdqrs, the Beaver Brook School, and Brookvale.
    6 unique versions available
  46. 1957 Map of Georgetown, 1960 Print
    1957 Map of Georgetown, 1960 Print
    1957 Georgetown
    1960 Print · USGS
    Georgetown and the high peaks of the Front Range are captured here during a period of transition between its mining peak and modern recreation. Researchers can trace the heritage of the silver boom through Silver Plume, the Lamartine Tunnel, and the Old RR Grade.
    5 unique versions available
  49. 1958 Map of Denver
    1958 Map of Denver
    1958 Denver
    1958 Print · USGS
    Denver and the Colorado Front Range are captured here during the mid-century suburban boom. Trace the footprints of military installations like Buckley Air Force Base alongside the established rail networks of the Colorado & Southern Ry.
  52. 1960 Map of Denver
    1960 Map of Denver
    1960 Denver
    1960 Print · USGS
    Denver and the Colorado Front Range are seen here at a pivotal moment of postwar expansion into the plains and foothills. Researchers can trace the mid-century rail network of the Denver & Rio Grande Western RR and locate historic institutional landmarks like Buckley Field and the Colorado School of Mines.
  55. 1972 Map of Black Hawk, 1975 Print
    1972 Map of Black Hawk, 1975 Print
    1972 Black Hawk
    1975 Print · USGS
    The Colorado Front Range comes into focus in the early 1970s, revealing a landscape where historic mining claims meet newly established state parks. Researchers can trace local history through prominent sites like the Baltimore Mine, the Clear Creek Dredge Tailings, and Golden Gate Canyon State Park.
    5 unique versions available
  58. 1972 Map of Central City, 1975 Print
    1972 Map of Central City, 1975 Print
    1972 Central City
    1975 Print · USGS
    The Colorado mining districts of the early seventies are captured in high detail across the Gilpin and Clear Creek county lines. Researchers can trace the legacy of the gold rush through the Russell Gulch Cemetery, the streets of Nevadaville, and the dense mine workings on Seaton Mtn.
    2 unique versions available
  61. 1983 Map of Denver West
    1983 Map of Denver West
    1983 Denver West
    1983 Print · USGS
    The Front Range and Denver's western suburbs meet in the early 1980s, documenting the era's growth from the mountain peaks to the valley floor. Genealogists and historians can trace the foundations of Lakewood and Golden, or locate high-altitude landmarks like the Moffat Tunnel and Mount Olivet Cem.
    2 unique versions available
End of results
Showing maps 1-21 of 21

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Frequently asked questions

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