Old Maps of Union County, South Dakota for Metal Detecting
Plan your next treasure hunt with 126 historic maps of Union County. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.
- Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
- Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
- Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.
Use these historic maps to boost your research and find new opportunities beneath the surface of Union County.
Union County, SD maps
(126)- 1897 Map of Canton, 1954 Print
1897 Canton1954 Print · USGSSoutheastern South Dakota and the Iowa borderlands were undergoing a railway-driven expansion during the 1890s. Genealogists and historians can trace early settlements like Beloit, Centerville, and Lennox as they grew along the Big Sioux River. - 1898 Map of Elk Point, 1960 Print
1898 Elk Point1960 Print · USGSThe tri-state borderlands of South Dakota, Nebraska, and Iowa are captured here in the late nineteenth century as a landscape of ferries and river-fed commerce. Researchers can trace the early foundations of Elk Point and Vermillion or locate vanished crossings like Ionia Ferry and the Ponca Ferry.2 unique versions available - 1900 Map of Canton
1900 Canton1900 Print · USGSSoutheastern South Dakota and the Iowa borderlands are captured here at a peak of late-nineteenth-century rail expansion. Genealogists can trace the early foundations of towns like Canton, Centerville, and Beresford along the Big Sioux River.2 unique versions available - 1901 Map of Elk Point
1901 Elk Point1901 Print · USGSThe tri-state borderlands of South Dakota, Nebraska, and Iowa are captured here at the turn of the century during the peak of the steam rail era. Researchers can trace the original paths of the Chicago Milwaukee and St. Paul Ry. and locate early settlements like Spirit Mound, Newcastle, and Burbank. - 1907 Map of Elk Point
1907 Elk Point1907 Print · USGSThe tri-state borderlands of South Dakota, Nebraska, and Iowa are shown here at the start of the century, centered on the Missouri and Big Sioux river valleys. Researchers can trace the river's old path through oxbows like Mc Cook Lake and locate early river crossings including Vermilion Ferry and Ponca Ferry.6 unique versions available - 1955 Map of Sioux City, 1959 Print
1955 Sioux City1959 Print · USGSThe Missouri River valley in the mid-fifties is captured here during a time of major engineering and social transition. Genealogists and historians can trace the foundations of Gavins Point Dam, tribal boundaries on the Santee Sioux Indian Reservation, and local landmarks like the Norfolk State Hospital.4 unique versions available - 1955 Map of Sioux Falls, 1967 Print
1955 Sioux Falls1967 Print · USGSThe eastern South Dakota and western Minnesota borderlands come alive in the mid-fifties, showing the vital rail-to-river connections of the era. Genealogists can trace family footprints across townships like Madison and Pipestone, while following the paths of the Big Sioux River and the Chicago and North Western line.3 unique versions available - 1958 Map of Sioux City
1958 Sioux City1958 Print · USGSThe Missouri River valley in the late fifties was a bustling intersection of tribal lands, rail corridors, and river towns. Genealogists can trace family roots through specific rural sites like Daisy Valley School, St Johns Church and School, and Yankton State Hospital. - 1958 Map of Sioux Falls
1958 Sioux Falls1958 Print · USGSThe tri-state borderlands of South Dakota, Minnesota, and Iowa are captured here during the mid-century peak of the regional rail network. Genealogists and historians can trace local landmarks like Augustana Academy, the St Marys Cem, and the path of the Illinois Central through Rock Rapids. - 1959 Map of Sioux City
1959 Sioux City1959 Print · USGSThe tri-state region surrounding the Missouri River is captured here in the late fifties, showing the convergence of Nebraska, South Dakota, and Iowa. Researchers can trace rural lineages through numerous country schoolhouses like Cemetery School and the many numbered Washington School districts. - 1963 Map of Elk Point, 1964 Print
1963 Elk Point1964 Print · USGSThe tri-state borderlands of South Dakota, Nebraska, and Iowa are captured in the early sixties as the modern interstate began to parallel the historic Milwaukee Road. Researchers can locate numerous country schoolhouses like Woodland Sch and Pleasant View Sch or trace the family plots at St Joseph Cem.3 unique versions available - 1963 Map of Sioux City South, 1964 Print
1963 Sioux City South1964 Print · USGSThe tri-state river junction between Nebraska, Iowa, and South Dakota hums with mid-century activity along the Missouri and Big Sioux Rivers. Genealogists can trace old family roots at Salem Ch, St Michaels Cem, or the rural Hileman Sch.4 unique versions available - 1963 Map of Sioux City North, 1964 Print
1963 Sioux City North1964 Print · USGSThe northern reaches of Sioux City and Riverside are captured in the early sixties as urban development meets the rugged Loess Hills. Researchers can find precise locations for Briar Cliff College, Logan Park Cemetery, and the old Soos Speedway.3 unique versions available - 1963 Map of Elk Point NE, 1964 Print
1963 Elk Point NE1964 Print · USGSThe Big Sioux River borderlands between Iowa and South Dakota are shown here in the early sixties, as the river meanders through the Elk Point area. Genealogists can trace local landmarks like Fieldview Sch, Horseshoe Lake, and the winding Broken Kettle Creek.2 unique versions available - 1963 Map of Jefferson, 1964 Print
1963 Jefferson1964 Print · USGSThe borderlands of South Dakota, Iowa, and Nebraska are captured in the early sixties as the interstate system arrived. Genealogists can trace family footprints at Civil Bend Cem, Montagne Sch, and the old rail line of the Milwaukee Road.4 unique versions available - 1964 Map of Burbank, 1966 Print
1964 Burbank1966 Print · USGSThe Missouri River valley at the South Dakota and Nebraska border is captured here in the mid-1960s, showing the intersection of river transport and rail. Researchers can trace family history at Ionia Cem or locate the South Bend Sch and Lembke Landing. - 1964 Map of Ponca, 1966 Print
1964 Ponca1966 Print · USGSThe Missouri River bluffs of Northeast Nebraska are captured here in the mid-1960s, showing the intersection of river life and upland farming. Researchers can find country schools like Allard Sch and landmarks including Lookout Hill and Ponca Cem.2 unique versions available - 1967 Map of Jackson, 1969 Print
1967 Jackson1969 Print · USGSThe tri-state border region of Nebraska, South Dakota, and Iowa is captured in the late sixties, where the Big Sioux meets the Missouri River. Trace rail history and family sites through Jackson and Hubbard, including St Johns Cem.2 unique versions available - 1968 Map of Alcester, 1970 Print
1968 Alcester1970 Print · USGSThe South Dakota prairie near the Union and Lincoln County line is captured here in the late sixties. Genealogists and local historians can trace the rural school system at Elmwood Sch and Silver Lake Sch or locate the Gothland Cem. - 1968 Map of Alcester SE, 1970 Print
1968 Alcester SE1970 Print · USGSThe borderlands of Union County, South Dakota, are captured in the late sixties as the Big Sioux River snakes past the township of Alcester. Researchers can trace rural landmarks from the Nathanael Cem to the Chicago and North Western rail line. - 1968 Map of Beresford, 1971 Print
1968 Beresford1971 Print · USGSBeresford and the surrounding prairie townships are captured in the late sixties as modern highway interchanges began to reshape the rural landscape. Researchers can locate numerous country schools and cemeteries like Glenwood Sch, St Johns Cem, and Brooklyn Ch. - 1968 Map of Hawarden North, 1971 Print
1968 Hawarden North1971 Print · USGSThe river valley at the Iowa-South Dakota border was a vital rail and agricultural corridor in the late sixties. Genealogists and local historians can trace the foundations of Hawarden and find specific landmarks like Calvary Cem and the old Townhall. - 1969 Map of Chatsworth, 1971 Print
1969 Chatsworth1971 Print · USGSThe Big Sioux River valley comes alive in the late sixties as it winds along the South Dakota and Iowa border. Trace the old Milwaukee Road rail line through Chatsworth and locate local landmarks like Union Creek Ch or Old Big Springs Cem. - 1969 Map of Richland, 1971 Print
1969 Richland1971 Print · USGSUnion County near the Nebraska and Iowa borders shows a landscape of prairie agriculture and river valley life in the late sixties. Family historians can locate specific rural landmarks including Old Brule Creek Cem, St Paul Ch, and Lamont Sch. - 1969 Map of Akron, 1971 Print
1969 Akron1971 Print · USGSThe Big Sioux River valley comes alive in this late-sixties survey of the Iowa and South Dakota borderlands. Genealogists and local historians can trace the rail-side growth of Akron and Westfield, locating family plots at Riverside Cem and Westfield Cemetery.
Showing maps 1-25 of 126
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