1900s (20th Century) Maps of Ralph, South Dakota
Explore 5 historic maps of Ralph 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 Ralph'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 Ralph's history through authentic maps from the 1900s. This is your window into the past.
Ralph, SD maps
(5)- 1935 Map of Reva
1935 Reva1935 Print · USGSHarding County ranching country and the rugged Slim Buttes region are captured here in the mid-1930s. Genealogists and local historians can trace family-named landmarks like Turkey Track Ranch and early post offices at Reva, Ludlow, and Glenlevit. - 1954 Map of Lemmon, 1964 Print
1954 Lemmon1964 Print · USGSThe high plains of South Dakota and North Dakota are documented here during the mid-twentieth century. Family researchers can trace dozens of country school sites like Green Cabin School and Bierke School alongside landmarks like The Castles.2 unique versions available - 1957 Map of Lemmon
1957 Lemmon1957 Print · USGSThe northwestern plains of South Dakota and North Dakota are captured here in the mid-fifties, centered on the rail hub of Lemmon. Genealogists and historians can trace dozens of rural schoolhouses and vanished sites like Imogene and the Shadehill Reservoir area. - 1968 Map of Ralph, 1971 Print
1968 Ralph1971 Print · USGSHarding County ranching country is shown in the late sixties, centered on the community of Ralph. Researchers can trace rural landmarks like St Isadore Ch, Southwest Sch, and the winding Big Nasty Creek. - 1980 Map of Camp Crook
1980 Camp Crook1980 Print · USGSNorthwestern South Dakota and the North Dakota borderlands come into focus in the late seventies, showing a landscape of high buttes and river breaks. Researchers can trace remote ranching outposts like Ralph and Ladner or locate landmarks like Window Rock and the Harding County Airport.
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