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

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

Oacoma, SD maps

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  1. 1935 Map of Chamberlain, 1975 Print
    1935 Map of Chamberlain, 1975 Print
    1935 Chamberlain
    1975 Print · USGS
    Mid-century South Dakota river life centers on the Missouri crossing between Chamberlain and Oacoma during the mid-thirties. Genealogists can locate numerous country schools like Pleasant View Sch and historical sites such as the CCC Camp.
  4. 1939 Map of Chamberlain
    1939 Map of Chamberlain
    1939 Chamberlain
    1939 Print · USGS
    Chamberlain and Oacoma face one another across the Missouri River in the late thirties, just as the region transitioned into the modern era. Genealogists and researchers can locate numerous country schools and churches, including St Albans Ch, Grace Mission Sch, and Riverview Cem.
    2 unique versions available
  7. 1952 Map of Oacoma, 1954 Print
    1952 Map of Oacoma, 1954 Print
    1952 Oacoma
    1954 Print · USGS
    Lyman County ranching and river life are frozen in time just before the valley changed forever. Trace family roots at Oacoma Cem, locate the tracks of the Chicago Milwaukee St Paul and Pacific, or find the original sites of Sharp Ranch and Lindly Ranch.
  10. 1955 Map of Mitchell, 1973 Print
    1955 Map of Mitchell, 1973 Print
    1955 Mitchell
    1973 Print · USGS
    The Missouri River valley undergoes a massive transformation in the mid-1950s as the Fort Randall Dam creates Lake Francis Case. You can trace the rail lines of the Chicago Milwaukee St Paul and Pacific through Mitchell or locate local landmarks like Butler Town Hall.
    2 unique versions available
  13. 1959 Map of Mitchell
    1959 Map of Mitchell
    1959 Mitchell
    1959 Print · USGS
    South Dakota’s river and rail corridors come alive in the late fifties as the Missouri River valley undergoes dramatic change. Genealogists and historians can trace family roots through numerous small towns and schools such as Academy, Stickney, and Gregory.
    2 unique versions available
  16. 1974 Map of Chamberlain, 1977 Print
    1974 Map of Chamberlain, 1977 Print
    1974 Chamberlain
    1977 Print · USGS
    Chamberlain occupies a strategic riverfront position in the 1970s, where rail and road infrastructure meets the Missouri. Researchers can locate long-standing landmarks like St Josephs Indian School, trace the Milwaukee Road railroad, and find the old Drive-in Theater.
  19. 1986 Map of Chamberlain
    1986 Map of Chamberlain
    1986 Chamberlain
    1986 Print · USGS
    Central South Dakota during the mid-eighties shows a landscape shaped by the Missouri River and the rise of Interstate 90. Researchers can trace the development of river towns like Chamberlain and Oacoma or locate remote landmarks like Bijou Hills and Hamill.
    2 unique versions available
  22. 1990 Map of Mitchell, 1991 Print
    1990 Map of Mitchell, 1991 Print
    1990 Mitchell
    1991 Print · USGS
    The Missouri River and the surrounding South Dakota plains are captured here in the early nineties, showing a landscape shaped by water and wire. Genealogists and historians can trace the gridded townships from Mitchell to the Bijou Hills, locating sites like the Platte Colony and Academy.
End of results
Showing maps 1-8 of 8

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