Old Maps of Dewey County, South Dakota for Genealogy
Trace your family roots with 313 historic maps of Dewey County. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Dewey County's past.
Dewey County, SD maps
(313)- 1951 Map of Ridgeview NW, 1953 Print
1951 Ridgeview NW1953 Print · USGSDewey County ranching and reservation lands are captured here in the early fifties during a period of Missouri River Basin development. Researchers can locate family landmarks like Ewing Ranch and Gunville Ranch along the banks of the Moreau River.3 unique versions available - 1951 Map of Virginia, 1953 Print
1951 Virginia1953 Print · USGSDewey County’s high prairie and river breaks are captured in the early fifties, showcasing the vital rail corridor through the Cheyenne River Indian Reservation. Researchers can trace the path of the Chicago Milwaukee St Paul and Pacific railroad as it winds alongside Virginia Creek.3 unique versions available - 1951 Map of Ridgeview NE, 1953 Print
1951 Ridgeview NE1953 Print · USGSThe Cheyenne River Indian Reservation is shown in the early fifties during a period of Missouri River Basin development. Researchers can trace rural landmarks like Bauer Sch and the drainage of Swan Creek and the Moreau R.3 unique versions available - 1951 Map of La Plant, 1953 Print
1951 La Plant1953 Print · USGSDewey County’s reservation lands are captured here in the early 1950s, showing a landscape defined by the railroad and the plains. Trace family ties and local history at La Plant or find rural landmarks like Rushs Enemy Cem and the Virgin Creek waterway. - 1951 Map of Promise, 1954 Print
1951 Promise1954 Print · USGSThe rural landscape of Dewey County is captured here in the early fifties, centered on the settlement of Promise. Researchers can trace family roots at St Johns Cem and follow the route of the Chicago Milwaukee St Paul and Pacific railroad.2 unique versions available - 1952 Map of Lantry NW, 1954 Print
1952 Lantry NW1954 Print · USGSIn the early 1950s, this area of the Cheyenne River Indian Reservation was a landscape of remote schoolhouses and winding river bends. Local historians can trace the positions of Liebelt Sch, O Donnell Sch, and the winding course of the Moreau River.2 unique versions available - 1952 Map of Whitehorse, 1954 Print
1952 Whitehorse1954 Print · USGSThe Cheyenne River Indian Reservation and the settlement of Whitehorse are captured here in the early fifties during a period of Missouri River Basin development. Trace the rural landscape along the Moreau River to find local landmarks like the Cem and the Flowing Well.2 unique versions available - 1952 Map of Trail City SW, 1954 Print
1952 Trail City SW1954 Print · USGSDewey County, South Dakota, is captured in the early fifties during a period of Missouri River Basin development. Genealogists and local historians can locate St Marys Ch and trace the complex meanders of the Moreau River and Swan Cr.2 unique versions available - 1952 Map of Parade NE, 1954 Print
1952 Parade NE1954 Print · USGSThe Cheyenne River Indian Reservation is captured in the early fifties as the Moreau River winds through the South Dakota prairie. Researchers can locate specific local landmarks such as On-a-Tree Ch and trace the paths of Redwater Creek and Goose Creek.2 unique versions available - 1952 Map of Lantry NE, 1954 Print
1952 Lantry NE1954 Print · USGSThe Cheyenne River Indian Reservation and the winding Moreau River dominate this early 1950s survey of Dewey County. Genealogists and local historians can trace the settlement at Green Grass and the nearby Green Grass Cem. - 1952 Map of Parade NW, 1954 Print
1952 Parade NW1954 Print · USGSDewey County’s prairie landscape is captured here in the early fifties, dominated by the winding Moreau River. Genealogists and researchers can trace the small community of Green Grass and locate industrial landmarks like the local Gravel Pits.2 unique versions available - 1952 Map of Glencross SE, 1954 Print
1952 Glencross SE1954 Print · USGSThe Moreau River valley in Dewey County during the early fifties reveals a landscape of isolated missions and river crossings. Genealogists and historians can locate St Pauls Ch, Emmanuel Cem, and the historic Yellowhorse Ford along the winding river banks.2 unique versions available - 1953 Map of McIntosh, 1965 Print
1953 McIntosh1965 Print · USGSThe north-central Dakota prairie is captured here during the mid-fifties, showing the vast Standing Rock Indian Reservation and the newly formed Oah E Reservoir. Genealogists and historians can trace the Chicago Milwaukee St Paul and Pacific rail line through stops like McIntosh, Walker, and Eagle Butte.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 - 1956 Map of Alleman Station, 1957 Print
1956 Alleman Station1957 Print · USGSHaakon and Ziebach counties appear here in the mid-1950s, just as the Missouri River Basin development began to reshape the Cheyenne River valley. Local historians can trace ranching history at Pearman Ranch or locate the community roots of Alleman Station and Dupree Ch.3 unique versions available - 1956 Map of Rousseau Creek SW, 1957 Print
1956 Rousseau Creek SW1957 Print · USGSDewey and Stanley Counties are captured in the mid-1950s just before the landscape was altered by the Missouri River Basin development. Researchers can trace the riverfront holdings of Holloway Ranch, Chisholm Ranch, and the waters of Fishgut Creek.3 unique versions available - 1956 Map of Herbert Creek SE, 1957 Print
1956 Herbert Creek SE1957 Print · USGSThe prairie landscape at the tri-county border of Dewey and Stanley was captured here in the mid-fifties, just before the Oahe Reservoir project altered the terrain. Researchers can trace the original courses of Herbert Creek and Paradis Creek or locate family-named landmarks like Gray Buttes and Kid Rich Flats.3 unique versions available - 1956 Map of Sansarc NE, 1957 Print
1956 Sansarc NE1957 Print · USGSStanley and Dewey counties are captured here in the mid-fifties, just before the landscape was altered by the Oahe Reservoir project. Researchers can trace family ranch lands like Young Ranch and find remote burials at Walking Horse Cem or Lindsay Cem.3 unique versions available - 1956 Map of Crockett Mountains, 1957 Print
1956 Crockett Mountains1957 Print · USGSStanley County ranch lands are documented here in the mid-fifties, showing the intersection of tribal and county borders along the Cheyenne River. Family history researchers can locate the Rousseau Cem and Webb Ranch among landmarks like Lindsay Butte.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. - 1958 Map of McIntosh
1958 McIntosh1958 Print · USGSThe north-central Dakotas appear here in the mid-1950s as massive engineering projects and rail lines shaped the plains. Researchers can trace tribal lands within the Standing Rock Indian Reservation and locate local landmarks like the Keller Mine or the Virginia Siding. - 1965 Map of Artichoke Butte SW, 1966 Print
1965 Artichoke Butte SW1966 Print · USGSSully County sits along the rising waters of the Missouri River in the mid-sixties, capturing a landscape in transition. Researchers can trace rural landmarks like Blair Cem or locate the historic Pearl Sch and West Fairbank Sch. - 1968 Map of Moreau NW, 1970 Print
1968 Moreau NW1970 Print · USGSThe Missouri and Moreau River valleys are captured in the late sixties as the landscape adjusted to the rising waters of Lake Oahe. Researchers can trace the shifting shorelines of Lake Missouri and follow the boundary between the Standing Rock and Cheyenne River Indian Reservations. - 1968 Map of Moreau NE, 1970 Print
1968 Moreau NE1970 Print · USGSThe Missouri River breaks of Walworth and Dewey counties appear in the late sixties as the waters of Lake Oahe reshape the valley. Genealogists and researchers can trace the boundaries of the Standing Rock and Cheyenne River reservations or locate the settlement at Ridgeland. - 1968 Map of Moreau, 1971 Print
1968 Moreau1971 Print · USGSThe Moreau River valley within the Cheyenne River Indian Reservation is captured here in the late sixties as Lake Oahe reached its typical levels. Genealogists and historians can locate the Ascension Ch and the settlement of Moreau, along with drainage features like Hokshela Creek.
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