1900s (20th Century) Maps of Lacy, South Dakota
Explore 5 historic maps of Lacy 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 Lacy'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 Lacy's history through authentic maps from the 1900s. This is your window into the past.
Lacy, SD maps
(5)- 1937 Map of Oahe
1937 Oahe1937 Print · USGSStanley County ranching and river life are captured here in the mid-thirties before the Missouri was transformed by modern dams. Genealogists can locate family-named landmarks like Madison Ranch and rural schoolhouses such as Riverview Sch or Willow Creek Butte Sch.3 unique versions available - 1954 Map of Pierre, 1968 Print
1954 Pierre1968 Print · USGSThe Missouri River and the newly formed Oahe Reservoir define central South Dakota in the 1950s. Genealogists and local historians can trace early settlements and rail stops like Eakin Siding, Mission Ridge, and Ottumwa.2 unique versions available - 1958 Map of Pierre
1958 Pierre1958 Print · USGSCentral South Dakota is documented during the mid-fifties, just as the Missouri River valley was being transformed by the massive Oahe Dam project. Researchers can trace the early Oahe Reservoir shoreline and find remote outposts like Milesville, Onida, and Giddings Flat. - 1982 Map of Lacy, 1983 Print
1982 Lacy1983 Print · USGSStanley County ranching land meets the western shores of the Missouri River in the early eighties. Genealogists and local historians can locate the McQuistion Ranch and trace the deep draws of Anderson Ridge leading toward Lake Oahe. - 1986 Map of Pierre
1986 Pierre1986 Print · USGSCentral South Dakota comes into focus during the mid-eighties as the Missouri River reservoirs reshape the landscape around the state capital. Genealogists and historians can trace rail stops along the Chicago and North Western and locate landmarks like the Old Indian Treaty Boundary and Medicine Knoll.2 unique versions available
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