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1900s (20th Century) Maps of Siam, Iowa

Explore 7 historic maps of Siam 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 Siam'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 Siam's history through authentic maps from the 1900s. This is your window into the past.

Siam, IA maps

(7)
  1. 1940 Map of New Market, 1954 Print
    1940 Map of New Market, 1954 Print
    1940 New Market
    1954 Print · USGS
    The borderlands of Iowa and Missouri come into focus during the early 1940s, centered on the rail-and-river hub of Hopkins. Genealogists can trace a wealth of rural landmarks including Burch Cem, Prairie Star Sch, and Good Hope Ch.
  4. 1943 Map of New Market
    1943 Map of New Market
    1943 New Market
    1943 Print · USGS
    The Iowa-Missouri border was a landscape of river-valley agriculture and scattered rural schoolhouses in the early 1940s. Genealogists can trace family footprints through sites like Washburn Cem or schools such as Independence Sch and Hazel Dell Sch.
    2 unique versions available
  7. 1955 Map of Nebraska City, 1967 Print
    1955 Map of Nebraska City, 1967 Print
    1955 Nebraska City
    1967 Print · USGS
    The four-state region surrounding the Missouri River valley appears here in the mid-1950s, a landscape of rail-dependent market towns and rural school districts. Genealogists can locate family landmarks like the Rock Bluff School, St Oswald Church, and the Clarinda State Hospital.
    3 unique versions available
  10. 1957 Map of Nebraska City
    1957 Map of Nebraska City
    1957 Nebraska City
    1957 Print · USGS
    The four-state junction of Nebraska, Iowa, Missouri, and Kansas comes alive in this mid-fifties survey of the Missouri River valley. Genealogists and historians can trace the rail-and-road networks connecting Nebraska City, Maryville, and the Squaw Creek National Wildlife Refuge.
  13. 1958 Map of Nebraska City
    1958 Map of Nebraska City
    1958 Nebraska City
    1958 Print · USGS
    The Missouri River Valley and its fertile four-state borderlands are captured here during the mid-century expansion of the regional highway and rail networks. Genealogists can trace family roots through numerous rural landmarks like Moulton School, Shady Grove Church, and the Clarinda State Hospital.
  16. 1980 Map of New Market, 1981 Print
    1980 Map of New Market, 1981 Print
    1980 New Market
    1981 Print · USGS
    Taylor and Page counties come together at the town of New Market during the late 1970s. Genealogists can trace family footprints at Memory Cem or Vase Cem and locate the small community of Siam near the southern border.
  19. 1985 Map of Mount Ayr
    1985 Map of Mount Ayr
    1985 Mount Ayr
    1985 Print · USGS
    The Iowa-Missouri borderlands are captured here in the mid-eighties, showing a landscape defined by the branching forks of the Platte River and Grand River. Researchers can trace the heritage of rural communities and conservation sites like Lake of Three Fires State Park and Rose Hill Cemetery.
    2 unique versions available
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Siam?
  • What is the oldest map of Siam?
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  • Are there historical topographic maps available for Siam?
  • Is there historical aerial imagery available for Siam?
  • Where are historical maps of Siam sourced from?