Old Maps of Portland, Colorado for Metal Detecting

Plan your next treasure hunt with 10 historic maps of Portland. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Portland.


Portland, CO maps

(10)
  1. 1902 Map of Ouray, 1963 Print
    1902 Map of Ouray, 1963 Print
    1902 Ouray
    1963 Print · USGS
    Covers Portland, including Ouray, Ridgway, and other nearby areas

  2. 1904 Map of Ouray
    1904 Map of Ouray
    1904 Ouray
    1904 Print · USGS
    Covers Portland, including Ouray, Ridgway, and other nearby areas
    3 unique versions available

  3. 1909 Map of Montrose, 1960 Print
    1909 Map of Montrose, 1960 Print
    1909 Montrose
    1960 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas

  4. 1911 Map of Montrose
    1911 Map of Montrose
    1911 Montrose
    1911 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas
    3 unique versions available

  5. 1955 Map of Ouray, 1957 Print
    1955 Map of Ouray, 1957 Print
    1955 Ouray
    1957 Print · USGS
    Covers Portland, including Ouray, Ouray County, and other nearby areas
    9 unique versions available

  6. 1956 Map of Montrose, 1963 Print
    1956 Map of Montrose, 1963 Print
    1956 Montrose
    1963 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas
    3 unique versions available

  7. 1959 Map of Montrose
    1959 Map of Montrose
    1959 Montrose
    1959 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas

  8. 1960 Map of Montrose
    1960 Map of Montrose
    1960 Montrose
    1960 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas
    3 unique versions available

  9. 1968 Map of Montrose
    1968 Map of Montrose
    1968 Montrose
    1968 Print · USGS
    Covers Portland, including Montrose, Gunnison, and other nearby areas

  10. 1983 Map of Montrose
    1983 Map of Montrose
    1983 Montrose
    1983 Print · USGS
    Covers Portland, including Montrose, Ouray, and other nearby areas
    2 unique versions available

End of results
Showing maps 1-10 of 10

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Frequently asked questions

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

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