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

1. 1940 Map of Iona, 1958 Print

   

   1940 Iona

   1958 Print · USGS

   In the early 1940s, the Missouri and White Rivers shaped life across South Dakota's Lyman and Brule counties. Genealogists can trace nearly twenty rural schoolhouses and cemeteries like Iona Cem, alongside landmarks such as Twilight Butte and the settlement of Iona.

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4. 1944 Map of Iona

   

   1944 Iona

   1944 Print · USGS

   Lyman County in the early 1940s reveals a landscape of isolated homesteads and river-bottom farms along the Missouri River. Genealogists and local historians can trace family roots through numerous country schools like Cable Sch and markers such as Iona Cem and Peterson.

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7. 1952 Map of Iona NW, 1955 Print

   

   1952 Iona NW

   1955 Print · USGS

   The Missouri River breaks across the Lyman and Brule county lines in the early fifties, just before the Fort Randall Reservoir began to reshape the valley. Genealogists can locate family holdings like Ellis Ranch or Krammer Ranch and trace the drainage of Bull Creek.

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10. 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.

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13. 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.

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16. 1974 Map of Bond Bottom, 1977 Print

    

    1974 Bond Bottom

    1977 Print · USGS

    The Missouri River valley in Brule and Lyman counties was undergoing significant change in the mid-seventies following the creation of Lake Francis Case. You can trace the submerged contours of the old valley floor near Bond Bottom and locate early townships like Iona and America.

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19. 1974 Map of Red Lake West, 1977 Print

    

    1974 Red Lake West

    1977 Print · USGS

    Brule and Lyman Counties are captured in the mid-seventies, showing the Missouri River's transformation into the massive Lake Francis Case. Researchers can locate family landmarks like Grandview Cem and trace the course of Reimer Creek toward the reservoir.

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22. 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.

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25. 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.

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