Old Maps of Trenton Township, South Dakota for Metal Detecting

Plan your next treasure hunt with 23 historic maps of Trenton Township. 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 Trenton Township.


Trenton Township, SD maps

(23)
  1. 1953 Map of Watertown, 1968 Print
    1953 Map of Watertown, 1968 Print
    1953 Watertown
    1968 Print · USGS
    Eastern South Dakota and the Minnesota borderlands are captured here during the mid-twentieth century as the region's agricultural and rail-service centers thrived. Genealogists and local historians can trace family-named sites across the Coteau des Prairies and find landmarks in Watertown, De Smet, and Brookings.
    3 unique versions available

  2. 1958 Map of Watertown
    1958 Map of Watertown
    1958 Watertown
    1958 Print · USGS
    The eastern South Dakota prairie and the Minnesota borderlands are captured here in the late fifties, showcasing a landscape of terminal moraine lakes and burgeoning rail hubs. Genealogists and historians can trace the early paths of the Chicago and North Western railroad or locate family roots in Watertown, Clark, or the Sisseton Indian Reservation.
    2 unique versions available

  3. 1964 Map of Brookings, 1965 Print
    1964 Map of Brookings, 1965 Print
    1964 Brookings
    1965 Print · USGS
    Brookings and the surrounding prairie townships appear here in the mid-1960s as a thriving regional center of education and industry. Genealogists and local historians can trace the town's expansion near South Dakota State University, locating Greenwood Cemetery and the Chicago and North Western rail line.
    2 unique versions available

  4. 1964 Map of Medary, 1965 Print
    1964 Map of Medary, 1965 Print
    1964 Medary
    1965 Print · USGS
    The Brookings and Moody County borderlands are seen here in the mid-1960s, centered on the river-cut prairies of eastern South Dakota. Genealogists and researchers can locate several rural schools and landmarks like Lake Campbell Cem, Galla Sch, and the historic settlement of Medary.
    4 unique versions available

  5. 1964 Map of Flandreau NW, 1965 Print
    1964 Map of Flandreau NW, 1965 Print
    1964 Flandreau NW
    1965 Print · USGS
    The Brookings and Moody county line comes alive in the mid-1960s, showing a prairie landscape shaped by the Big Sioux River. Genealogists and historians can locate rural landmarks like Wellman Sch, Riverview Cem, and Coleman Sch.

  6. 1964 Map of Aurora, 1965 Print
    1964 Map of Aurora, 1965 Print
    1964 Aurora
    1965 Print · USGS
    Eastern South Dakota’s prairie landscape was shaped by rail lines and section-line farming in the mid-1960s. Researchers can trace local genealogy and land use through landmarks like Bushnell, Trail Sch, and the Chicago and North Western railroad.

  7. 1985 Map of Brookings
    1985 Map of Brookings
    1985 Brookings
    1985 Print · USGS
    The South Dakota and Minnesota borderlands in the mid-1980s are defined here by a network of prairie lakes and bustling rail corridors. Researchers can trace the path of the Chicago and North Western through Brookings or explore the numerous wetlands of Oakwood Lakes State Park.
    2 unique versions available

  8. 2012 Map of Flandreau NW, 2012 Print
    2012 Map of Flandreau NW, 2012 Print
    2012 Flandreau NW
    2012 Print · USGS
    The prairie landscape north of Flandreau remains centered on the winding Big Sioux River and a rigid grid of section-line roads. Genealogists and local researchers can pinpoint the historic Yeo Cem and trace the course of Medary Cr through this agricultural heartland.

  9. 2012 Map of Aurora, 2012 Print
    2012 Map of Aurora, 2012 Print
    2012 Aurora
    2012 Print · USGS
    Brookings County, South Dakota, is captured here in the early 2010s as a structured landscape of prairie and town. Researchers can trace the local grid from Aurora to Bushnell while locating historic sites like Fountain Cem and Fairlawn Cem.

  10. 2012 Map of Medary, 2012 Print
    2012 Map of Medary, 2012 Print
    2012 Medary
    2012 Print · USGS
    The Brookings County prairie of the early 2010s is defined by the winding Big Sioux River and the recreational hub of Lake Campbell. Researchers can trace local landmarks like Lake Campbell Cem, the historic settlement of Medary, and Amen Cor.

  11. 2012 Map of Brookings, 2012 Print
    2012 Map of Brookings, 2012 Print
    2012 Brookings
    2012 Print · USGS
    Brookings and its surrounding prairie landscapes are captured here in the early twenty-first century as a bustling university and agricultural hub. Researchers can trace the layout of South Dakota State University, locate Greenwood Cem, or explore the course of the Big Sioux River.

  12. 2015 Map of Medary, 2015 Print
    2015 Map of Medary, 2015 Print
    2015 Medary
    2015 Print · USGS
    The Brookings and Moody county line comes alive in this contemporary survey of the eastern South Dakota prairie. Genealogists and local historians can trace family roots at Lake Campbell Cem or explore the early settlement geography around Medary and the Big Sioux River.

  13. 2015 Map of Flandreau NW, 2015 Print
    2015 Map of Flandreau NW, 2015 Print
    2015 Flandreau NW
    2015 Print · USGS
    The rural border of Moody and Brookings counties is captured here in the mid-2010s, showcasing the high prairie terrain of the Coteau des Prairies. Genealogists and local historians can trace the Yeo Cem and the winding course of the Big Sioux River.

  14. 2015 Map of Brookings, 2015 Print
    2015 Map of Brookings, 2015 Print
    2015 Brookings
    2015 Print · USGS
    Brookings and the surrounding Coteau des Prairies are captured here in the mid-2010s as the university town expanded. Researchers can trace local genealogy and land use near South Dakota State University, Greenwood Cem, and the quiet hamlet of Sunnyview.

  15. 2015 Map of Aurora, 2015 Print
    2015 Map of Aurora, 2015 Print
    2015 Aurora
    2015 Print · USGS
    The upland plateau of the Coteau des Prairies meets the growing eastern edge of Brookings in this detailed 2015 study. Genealogists and local historians can trace the grid of country roads to sites like Fairlawn Cem and the small settlements of Aurora and Bushnell.

  16. 2017 Map of Aurora, 2017 Print
    2017 Map of Aurora, 2017 Print
    2017 Aurora
    2017 Print · USGS
    Brookings County, South Dakota, is captured here during its modern agricultural era, showing the towns of Aurora and Bushnell on the Coteau des Prairies. Genealogists and local historians can locate family sites at Fountain Cem or follow the paths of Deer Cr and Medary Cr.

  17. 2017 Map of Flandreau NW, 2017 Print
    2017 Map of Flandreau NW, 2017 Print
    2017 Flandreau NW
    2017 Print · USGS
    The Coteau des Prairies plateau in Moody and Brookings counties is captured here during the late 2010s. Researchers can locate the Yeo Cem and trace the winding course of the Big Sioux River as it flows past a network of section roads like Co Hwy B.

  18. 2017 Map of Brookings, 2017 Print
    2017 Map of Brookings, 2017 Print
    2017 Brookings
    2017 Print · USGS
    Brookings and the Coteau des Prairies come into focus during this period of 21st-century growth. Researchers can trace the expansion of South Dakota State University and locate historic burial sites like Scandinavian Lutheran Cemetery and A'Prairie Cemetery.

  19. 2017 Map of Medary, 2017 Print
    2017 Map of Medary, 2017 Print
    2017 Medary
    2017 Print · USGS
    The eastern edge of the Coteau des Prairies meets the Big Sioux River in this 2017 depiction of rural Brookings County. Trace local lineage at East Lake Campbell Cem or explore lakeside developments like Bortnem Beach Rd and Amen Corner.

  20. 2021 Map of Flandreau NW, 2021 Print
    2021 Map of Flandreau NW, 2021 Print
    2021 Flandreau NW
    2021 Print · USGS
    Moody and Brookings counties are captured in this recent survey of the South Dakota prairie, showing a landscape defined by section-line roads and river valleys. Genealogists and local historians can locate Yeo Cem and trace the winding course of the Big Sioux River.

  21. 2021 Map of Medary, 2021 Print
    2021 Map of Medary, 2021 Print
    2021 Medary
    2021 Print · USGS
    The Brookings and Moody County line comes alive in this contemporary survey of the Coteau des Prairies highlands. Researchers can locate family sites near Medary, trace the Big Sioux River shoreline, or find the East Lake Campbell Cem.

  22. 2021 Map of Aurora, 2021 Print
    2021 Map of Aurora, 2021 Print
    2021 Aurora
    2021 Print · USGS
    Brookings County at the start of the 2020s shows the enduring agricultural and township structure of eastern South Dakota. Researchers can locate family sites near Saint Williams Catholic Cem, Fairlawn Cem, and the small community of Bushnell.

  23. 2021 Map of Brookings, 2021 Print
    2021 Map of Brookings, 2021 Print
    2021 Brookings
    2021 Print · USGS
    Brookings and its surrounding prairies are captured here in the early twenty-first century as the city continues to expand around the state's largest university. Researchers can locate legacy family sites like Scandinavian Lutheran Cem and Greenwood Cem or trace the Jay Heath Canoe & Kayak Trl along the western creeks.

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