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1800s (19th Century) Maps of Lewis and Clark County, Montana

Explore 7 historic maps of Lewis and Clark County from the 1800s (19th Century). These maps offer a rare glimpse into what life looked like during the 1800s — 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 Lewis and Clark County's landscape evolved across the 1800s, 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 1800s, 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 Lewis and Clark County's history through authentic maps from the 1800s. This is your window into the past.

Lewis and Clark County, MT maps

(7)
  1. 1886 Map of Great Falls
    1886 Map of Great Falls
    1886 Great Falls
    1886 Print · USGS
    Covers Lewis and Clark County, including Great Falls, Cascade, and other nearby areas
    4 unique versions available
  4. 1886 Map of Fort Logan
    1886 Map of Fort Logan
    1886 Fort Logan
    1886 Print · USGS
    Covers Lewis and Clark County, including Helena, Montana City, and other nearby areas
    5 unique versions available
  7. 1889 Map of Helena
    1889 Map of Helena
    1889 Helena
    1889 Print · USGS
    Covers Lewis and Clark County, including Butte, Helena, and other nearby areas
  10. 1893 Map of Helena
    1893 Map of Helena
    1893 Helena
    1893 Print · USGS
    Covers Lewis and Clark County, including Butte, Helena, and other nearby areas
    2 unique versions available
  13. 1899 Map of Boulder
    1899 Map of Boulder
    1899 Boulder
    1899 Print · USGS
    Covers Lewis and Clark County, including Butte, Boulder, and other nearby areas
    4 unique versions available
  16. 1899 Map of Helena
    1899 Map of Helena
    1899 Helena
    1899 Print · USGS
    Covers Lewis and Clark County, including Helena, Montana City, and other nearby areas
    3 unique versions available
  19. 1899 Map of Helena, 1956 Print
    1899 Map of Helena, 1956 Print
    1899 Helena
    1956 Print · USGS
    Covers Lewis and Clark County, including Butte, Helena, and other nearby areas
End of results
Showing maps 1-7 of 7

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Frequently asked questions

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