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

Explore 8 historic maps of Union Township 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 Union Township'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 Union Township's history through authentic maps from the 1900s. This is your window into the past.

Union Township, SD maps

(8)
  1. 1955 Map of Sioux Falls, 1967 Print
    1955 Map of Sioux Falls, 1967 Print
    1955 Sioux Falls
    1967 Print · USGS
    The eastern South Dakota and western Minnesota borderlands come alive in the mid-fifties, showing the vital rail-to-river connections of the era. Genealogists can trace family footprints across townships like Madison and Pipestone, while following the paths of the Big Sioux River and the Chicago and North Western line.
    3 unique versions available
  4. 1958 Map of Sioux Falls
    1958 Map of Sioux Falls
    1958 Sioux Falls
    1958 Print · USGS
    The tri-state borderlands of South Dakota, Minnesota, and Iowa are captured here during the mid-century peak of the regional rail network. Genealogists and historians can trace local landmarks like Augustana Academy, the St Marys Cem, and the path of the Illinois Central through Rock Rapids.
  7. 1964 Map of Canistota, 1966 Print
    1964 Map of Canistota, 1966 Print
    1964 Canistota
    1966 Print · USGS
    McCook County agriculture and the rail-side growth of Canistota are captured here in the mid-sixties. Researchers can trace rural school districts and family burial sites like Rose Hill Cem, Riverside Ch, and the Ortman Landing Strip.
  10. 1964 Map of Bridgewater East, 1966 Print
    1964 Map of Bridgewater East, 1966 Print
    1964 Bridgewater East
    1966 Print · USGS
    McCook County is shown at the height of its mid-century rural development, anchored by the town of Bridgewater. Genealogists and historians can trace the locations of St Stephens Cem, early schoolhouses, and the diagonal Chicago Milwaukee St Paul and Pacific rail line.
  13. 1970 Map of Marion, 1972 Print
    1970 Map of Marion, 1972 Print
    1970 Marion
    1972 Print · USGS
    The prairie landscape of southeastern South Dakota is captured here in the early seventies, centered on the rail hub of Marion. Genealogists and local historians can locate numerous rural landmarks like Dicks Sch, Bethesda Ch, and Tieszen Cem.
  16. 1970 Map of Dolton, 1972 Print
    1970 Map of Dolton, 1972 Print
    1970 Dolton
    1972 Print · USGS
    Southeast South Dakota's prairie landscape is documented here in the early seventies at the intersection of three counties. Genealogists and local historians can locate specific family landmarks such as Tschetter Cem and Hutterthal Ch near the waters of Silver Lake.
  19. 1985 Map of Salem
    1985 Map of Salem
    1985 Salem
    1985 Print · USGS
    Eastern South Dakota’s prairie landscape is showcased in the mid-eighties, highlighting a region defined by agricultural colonies and rail-linked towns. Genealogists and historians can trace the foundations of Rosedale Colony, the Buffalo Trading Post, and early hubs like Salem.
  22. 1985 Map of Freeman
    1985 Map of Freeman
    1985 Freeman
    1985 Print · USGS
    The James River valley in the mid-1980s reveals a landscape of communal farming colonies and railroad-anchored prairie towns. Researchers can trace the layout of several Hutterite settlements like Maxwell Colony or locate local landmarks like Gagna Station and Turkey Ridge.
    2 unique versions available
End of results
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Frequently asked questions

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