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Old Maps of Silverthorne, Colorado

Explore 20 old maps of Silverthorne, spanning from 1929 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Silverthorne changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Silverthorne to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Silverthorne, CO maps

(20)
  1. 1929 Map of Dillon, 1955 Print
    1929 Map of Dillon, 1955 Print
    1929 Dillon
    1955 Print · USGS
    In the late 1920s, the Blue River valley was a high-country network of rail stops and mining camps before the landscape was changed by major dam projects. Genealogists and historians can trace the early footprints of Dillon, Frisco, and the Colorado and Southern railroad line.
    2 unique versions available
  4. 1934 Map of Dillon
    1934 Map of Dillon
    1934 Dillon
    1934 Print · USGS
    Dillon and the surrounding Blue River Valley are shown here in the mid-1930s before the valley was flooded for reservoir construction. Genealogists and historians can trace the original locations of Dillon, the Dickey Ranger Sta, and mining sites like the Boss Mine.
    3 unique versions available
  7. 1957 Map of Leadville, 1978 Print
    1957 Map of Leadville, 1978 Print
    1957 Leadville
    1978 Print · USGS
    High-country mining and rail transport define the central Colorado Rockies during the mid-to-late twentieth century. Researchers can trace the industrial footprints of Gilman and Climax, find small rail stops like Malta, and follow the Denver and Rio Grande Western RR.
    2 unique versions available
  10. 1959 Map of Leadville
    1959 Map of Leadville
    1959 Leadville
    1959 Print · USGS
    The Colorado high country in the late fifties is a landscape of mining history and military training, from the streets of Leadville to the Camp Hale grounds. Genealogists and historians can trace the Denver and Rio Grande Western RR alongside now-deserted sites like Ashcroft and Independence.
  13. 1960 Map of Leadville
    1960 Map of Leadville
    1960 Leadville
    1960 Print · USGS
    The Colorado high country in the mid-fifties comes alive through its mining camps, river valleys, and rail lines. Trace the industrial legacy of the Climax Molybdenum Mine and explore the alpine reaches of the Camp Hale Military Reservation.
    2 unique versions available
  16. 1962 Map of Leadville
    1962 Map of Leadville
    1962 Leadville
    1962 Print · USGS
    The Colorado high country in the early sixties was a rugged landscape of mining camps, military training grounds, and emerging ski towns. Researchers can trace the legacy of Camp Hale, locate the Molybdenum mine near Leadville, and follow the Denver and Rio Grande Western RR through the canyons.
  19. 1964 Map of Leadville
    1964 Map of Leadville
    1964 Leadville
    1964 Print · USGS
    Colorado's high country is captured here during the mid-1960s, showing the intersection of mining history and mountain transport. Trace the legacy of high-altitude industry at the Climax Molybdenum Mine or follow the rails of the Colorado and Southern Ry past Leadville.
  22. 1970 Map of Frisco, 1973 Print
    1970 Map of Frisco, 1973 Print
    1970 Frisco
    1973 Print · USGS
    Frisco and the Blue River valley appear in the early 1970s as the landscape shifts toward recreation and water storage. Researchers can locate the Masontown site, the Dillon Cem, and mining relics like the dredge near Delaware Flats.
    4 unique versions available
  25. 1970 Map of Dillon, 1973 Print
    1970 Map of Dillon, 1973 Print
    1970 Dillon
    1973 Print · USGS
    The Blue River valley and Williams Fork Mountains are captured here in the early 1970s. Trace the growth of Silverthorne and Dillon near the Dillon Reservoir or follow high-country routes like the Dillon Jeep Trail and Ptarmigan Pass.
    3 unique versions available
  28. 1980 Map of Vail, 1982 Print
    1980 Map of Vail, 1982 Print
    1980 Vail
    1982 Print · USGS
    The Eagle River valley and the Gore Range are shown here in the early eighties as mountain towns evolved from mining hubs to world-class destinations. Trace the Denver and Rio Grande Western railroad or locate the Lady Belle Mine and Johnson Mine.
  31. 2011 Map of Frisco, 2011 Print
    2011 Map of Frisco, 2011 Print
    2011 Frisco
    2011 Print · USGS
    Frisco and the surrounding Summit County peaks are shown here during a period of high-altitude recreation and modern infrastructure development. Genealogists and historians can locate the Dillon Cemetery, trace the old roads to Masontown, and identify historic mining sites like the Gold Pan Mine.
  34. 2011 Map of Dillon, 2011 Print
    2011 Map of Dillon, 2011 Print
    2011 Dillon
    2011 Print · USGS
    Silverthorne and Dillon are shown at a peak of modern mountain development, where the Blue River valley meets the massive Dillon Reservoir. Researchers can trace old mining roots at the Skookum Mine or navigate high-altitude landmarks like Ptarmigan Pass and Tenderfoot Mountain.
  37. 2013 Map of Frisco, 2013 Print
    2013 Map of Frisco, 2013 Print
    2013 Frisco
    2013 Print · USGS
    Summit County at the start of the 2010s shows a high-altitude landscape defined by massive water projects and mountain recreation. Genealogists and hikers can trace the geography of Masontown, locate the Frisco Cem, or explore the shores of Dillon Reservoir.
  40. 2013 Map of Dillon, 2013 Print
    2013 Map of Dillon, 2013 Print
    2013 Dillon
    2013 Print · USGS
    Silverthorne and the neighboring resort communities of the High Rockies are shown here at the start of the 2010s. Researchers can trace the development of Keystone, locate the Dillon Forest Service Facility, and explore high-altitude landmarks like Ptarmigan Peak.
  43. 2016 Map of Dillon, 2016 Print
    2016 Map of Dillon, 2016 Print
    2016 Dillon
    2016 Print · USGS
    Silverthorne and Dillon are captured in the mid-2010s at the intersection of alpine wilderness and modern mountain life. Researchers can trace the developed landscape from Dillon Reservoir to high-country landmarks like Ptarmigan Peak and the Continental Divide.
  46. 2016 Map of Frisco, 2016 Print
    2016 Map of Frisco, 2016 Print
    2016 Frisco
    2016 Print · USGS
    Modern Summit County is defined by the intersection of high-alpine recreation and massive water engineering. Genealogists and hikers can locate the Dillon Cem, trace the historic settlement at Masontown, or follow the Harold D Roberts Tunnel under Swan Mountain.
  49. 2019 Map of Frisco, 2019 Print
    2019 Map of Frisco, 2019 Print
    2019 Frisco
    2019 Print · USGS
    Summit County at the height of its modern era shows a landscape where mountain resorts and high-altitude reservoirs meet. Genealogists and local historians can trace the foundations of Frisco, Dillon, and Breckenridge or find historic sites like the Superior Mine and Frisco Cem.
  52. 2019 Map of Dillon, 2019 Print
    2019 Map of Dillon, 2019 Print
    2019 Dillon
    2019 Print · USGS
    The mountain towns of Silverthorne and Dillon are shown during a period of significant growth at the edge of the Dillon Reservoir. Researchers can trace local residential names like Arctic Placer or follow high-altitude routes like the Ptarmigan Tr and Gore Range Trail.
  55. 2022 Map of Frisco, 2022 Print
    2022 Map of Frisco, 2022 Print
    2022 Frisco
    2022 Print · USGS
    The Summit County high country is shown here in the early 2020s as a thriving hub of mountain recreation and water management. Genealogists and hikers can trace old pathways near Masontown, locate Frisco Cem, and explore the banks of Dillon Reservoir.
  58. 2022 Map of Dillon, 2022 Print
    2022 Map of Dillon, 2022 Print
    2022 Dillon
    2022 Print · USGS
    The Silverthorne and Dillon area in the early 2020s is a modern mountain hub defined by the Blue River and the Dillon Reservoir. Researchers can trace the layout of alpine communities and extensive trail networks like the Ptarmigan Pass Trl and Laskey Gulch Trl.
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