Old Maps of Union, Wisconsin for Metal Detecting

Plan your next treasure hunt with 17 historic maps of Union. 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.


Union, WI maps

(17)
  1. 1935 Map of Arkansaw
    1935 Map of Arkansaw
    1935 Arkansaw
    1935 Print · USGS
    The rural uplands and river valleys of Pepin and Dunn Counties are captured here during the mid-1930s. Researchers can trace dozens of country school sites like Point Sch and Knight Sch, or locate family landmarks at Exile and Eau Galle Mill.

  2. 1940 Map of Maiden Rock
    1940 Map of Maiden Rock
    1940 Maiden Rock
    1940 Print · USGS
    Pierce County’s bluff country meets the Mississippi River in this pre-war survey of the Wisconsin-Minnesota border. Genealogists can trace hundreds of family-named landmarks, from Clayfield Ch to vanished rural schoolhouses like Oakvale Sch and Drake Sch.
    2 unique versions available

  3. 1941 Map of Arkansaw
    1941 Map of Arkansaw
    1941 Arkansaw
    1941 Print · USGS
    Pepin and Pierce counties appear at the start of the 1940s as a land of rural schools and river-valley farming. Researchers can trace family sites at Plum City, Dead Lake Cem, or schools like Maxwell Prairie Sch along the Chippewa River.

  4. 1942 Map of Arkansaw
    1942 Map of Arkansaw
    1942 Arkansaw
    1942 Print · USGS
    The Driftless Area of Pepin and Pierce counties comes to life in the 1940s, showing a landscape of deep coulees and river valleys. Genealogists can locate dozens of country schools like Whipple Hill Sch and historic local landmarks such as St Joseph Ch and Exile.
    2 unique versions available

  5. 1950 Map of Maiden Rock, 1952 Print
    1950 Map of Maiden Rock, 1952 Print
    1950 Maiden Rock
    1952 Print · USGS
    The bluffs of Lake Pepin were a hive of rail and river activity at mid-century, supporting a dense network of upland farms and small towns. Researchers can trace rural life through dozens of named landmarks like Old Frontenac, the Villa Maria Academy, and Sleepy Hollow School.
    4 unique versions available

  6. 1953 Map of Saint Paul, 1964 Print
    1953 Map of Saint Paul, 1964 Print
    1953 Saint Paul
    1964 Print · USGS
    The Twin Cities and the Mississippi River valley are captured here at a mid-century turning point. Trace the early growth of Minneapolis and Saint Paul alongside landmarks like Lake Minnetonka and the St Croix River.
    4 unique versions available

  7. 1959 Map of Saint Paul
    1959 Map of Saint Paul
    1959 Saint Paul
    1959 Print · USGS
    The Twin Cities and southeastern Minnesota appear here in the late fifties, showing the peak of the rail era and post-war suburban growth. Genealogists can trace family footprints near Lake Minnetonka, the Univ Of Minn Rosemount Research Center, or the growing neighborhoods of Richfield.
    2 unique versions available

  8. 1972 Map of Plum City, 1975 Print
    1972 Map of Plum City, 1975 Print
    1972 Plum City
    1975 Print · USGS
    Pierce County at the start of the 1970s shows a landscape of deep coulees and ridge-top farming. Trace old family lines and local landmarks from Plum City to Exile, including Poplar Hill Cem and the waters of Nugget Lake.

  9. 1972 Map of Nerike Hill, 1975 Print
    1972 Map of Nerike Hill, 1975 Print
    1972 Nerike Hill
    1975 Print · USGS
    Pierce and Pepin Counties in the early 1970s show a landscape of steep coulees and tight-knit rural crossroads. Researchers can trace family history through landmarks like Mission Covenant Ch, Free Home Cem, and the small settlement at Lund.

  10. 1974 Map of Maiden Rock, 1978 Print
    1974 Map of Maiden Rock, 1978 Print
    1974 Maiden Rock
    1978 Print · USGS
    The river-and-rail corridor between Wisconsin and Minnesota is captured here during the mid-seventies, showing the deep coulees and ridges along Lake Pepin. Researchers can trace the heritage of riverside settlements like Old Frontenac and Maiden Rock or locate the historic Villa Maria Academy.

  11. 1974 Map of Waverly, 1978 Print
    1974 Map of Waverly, 1978 Print
    1974 Waverly
    1978 Print · USGS
    Pierce County farm country and river valleys are captured here in the mid-1970s as agricultural life centered around small crossroads. Researchers can locate family roots near Waverly, Ono, or Bremenington and find local landmarks like Lost Creek Cem.

  12. 1985 Map of Hastings
    1985 Map of Hastings
    1985 Hastings
    1985 Print · USGS
    The river valleys of the St. Croix and Mississippi dominate this mid-eighties landscape as they border Minnesota and Wisconsin. You can trace the boundaries of the Prairie Island Indian Res, find the old rail alignments of the SOO LINE, and locate remote bluffs like Rattlesnake Point.

  13. 1990 Map of Hastings, 1991 Print
    1990 Map of Hastings, 1991 Print
    1990 Hastings
    1991 Print · USGS
    The river confluence at Hastings and Prescott is captured here in the final decade of the twentieth century, showing a landscape defined by the Mississippi River and St Croix River. Genealogists and historians can trace rail corridors like the Soo RR and find smaller settlements such as Miesville, Wacouta, and Diamond Bluff.

  14. 2022 Map of Waverly, 2022 Print
    2022 Map of Waverly, 2022 Print
    2022 Waverly
    2022 Print · USGS
    Pierce County farmers and genealogists will find this contemporary look at the Waverly and Ono area essential. Trace ancestral lands near the Ono Methodist Cem, the valley of the Rush River, and family landmarks like Bremennington Coulee.

  15. 2022 Map of Plum City, 2022 Print
    2022 Map of Plum City, 2022 Print
    2022 Plum City
    2022 Print · USGS
    The village of Plum City and the surrounding coulee country of Pierce County are shown in fine detail during the early 2020s. Researchers can trace family sites near Poplar Hill Cem, the crossroads at Exile, or the rugged terrain of Wildcat Coulee.

  16. 2022 Map of Nerike Hill, 2022 Print
    2022 Map of Nerike Hill, 2022 Print
    2022 Nerike Hill
    2022 Print · USGS
    Pierce and Pepin counties are captured here in a detailed contemporary snapshot of West Central Wisconsin's driftless-style terrain. Researchers can locate family heritage sites like Free Home Cemetery or trace the rural landscape from Plum City to Hellsing Bluff.

  17. 2022 Map of Maiden Rock, 2022 Print
    2022 Map of Maiden Rock, 2022 Print
    2022 Maiden Rock
    2022 Print · USGS
    The bluffs of the upper Mississippi River valley define this area where Minnesota and Wisconsin meet during the early twenty-first century. Researchers can trace historic riverfront settlements and cemeteries, from Old Frontenac and Maiden Rock to the Villa Maria Cem.

End of results
Showing maps 1-17 of 17

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