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1900s (20th Century) Maps of Keystone, South Dakota

Explore 5 historic maps of Keystone 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 Keystone'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 Keystone's history through authentic maps from the 1900s. This is your window into the past.

Keystone, SD maps

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  1. 1901 Map of Hermosa
    1901 Map of Hermosa
    1901 Hermosa
    1901 Print · USGS
    The Black Hills frontier comes alive in this survey of Pennington and Custer counties during the height of the regional mining boom. Researchers can trace the early footprints of Keystone, Rockerville, and Wind Cave, along with vanished industrial sites like Etta Mill.
    4 unique versions available
  4. 1954 Map of Mount Rushmore, 1955 Print
    1954 Map of Mount Rushmore, 1955 Print
    1954 Mount Rushmore
    1955 Print · USGS
    The Black Hills in the 1950s show a landscape where industrial mining and national monuments coexist. Genealogists and historians can trace the Chicago Burlington and Quincy rail route through Keystone or locate specific sites like the Holy Terror Mine and Keystone Cem.
    5 unique versions available
  7. 1954 Map of Mount Rushmore, 1958 Print
    1954 Map of Mount Rushmore, 1958 Print
    1954 Mount Rushmore
    1958 Print · USGS
    The Black Hills in the mid-fifties reveal a rugged landscape defined by both mining history and national monuments. Researchers can trace the legacy of the Gold Rush through sites like Etta Mine, Spokane, and the Boulder Hill Lookout Tower.
    3 unique versions available
  10. 1955 Map of Hot Springs, 1958 Print
    1955 Map of Hot Springs, 1958 Print
    1955 Hot Springs
    1958 Print · USGS
    The Black Hills and South Dakota badlands are captured here in the mid-fifties, during a peak of military and industrial activity. Researchers can locate the Black Hills Ordnance Depot, early Uranium Mines, and historic rail stops like Pringle or Oglala.
    5 unique versions available
  13. 1977 Map of Mount Rushmore, 1978 Print
    1977 Map of Mount Rushmore, 1978 Print
    1977 Mount Rushmore
    1978 Print · USGS
    The Black Hills landscape of the late 1970s is shown here at a moment when historic mining and modern tourism converged. Genealogists and researchers can trace the rail lines of the Burlington Northern and find sites like Spokane Mine or the town of Pringle.
    2 unique versions available
End of results
Showing maps 1-5 of 5

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Frequently asked questions

  • What are the different types of historical maps available for Keystone?
  • What is the oldest map of Keystone?
  • Where can I purchase historical maps of Keystone for my home or office?
  • Where can I download high-res historical maps of Keystone?
  • Are there historical topographic maps available for Keystone?
  • Is there historical aerial imagery available for Keystone?
  • Where are historical maps of Keystone sourced from?