Old Maps of Erin, Wisconsin for Metal Detecting

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


Erin, WI maps

(17)
  1. 1892 Map of Oconomowoc
    1892 Map of Oconomowoc
    1892 Oconomowoc
    1892 Print · USGS
    Waukesha County's lake country is captured in the early 1890s, revealing a landscape defined by glacial waters and nascent rail lines. Researchers can trace the early development of Delafield and Hartland or locate old stops like Lakeside Station and Giffords.
    4 unique versions available

  2. 1904 Map of Hartford
    1904 Map of Hartford
    1904 Hartford
    1904 Print · USGS
    The Kettle Moraine region of Washington and Dodge counties comes into focus in this early century survey of Wisconsin’s glacial landscape. Genealogists can trace family roots through small settlements like Schleisingerville, Hochheim, and St. Lawrence, or locate landmarks like Holy Hill and Pike Lake.
    3 unique versions available

  3. 1909 Map of Oconomowoc
    1909 Map of Oconomowoc
    1909 Oconomowoc
    1909 Print · USGS
    The Lake Country of Waukesha County is captured here at the height of its early resort era. You can trace family roots in Oconomowoc, locate the historic Nashotah Mission, and find long-lost stops like Waukesha Beach and Lakeside Sta.
    6 unique versions available

  4. 1957 Map of Madison, 1967 Print
    1957 Map of Madison, 1967 Print
    1957 Madison
    1967 Print · USGS
    South-central Wisconsin in the mid-fifties reveals a landscape of industrial hubs and glacial lakes linked by a dense rail and highway network. Genealogists and historians can trace the development of lakeside communities and find notable sites like Badger Ordnance Works and the Horicon National Wildlife Refuge.
    3 unique versions available

  5. 1959 Map of Stonebank, 1961 Print
    1959 Map of Stonebank, 1961 Print
    1959 Stonebank
    1961 Print · USGS
    Waukesha County's lake country is captured here during a transition from quiet rural townships to popular lakeside retreats in the late fifties. Genealogists and historians can trace community roots through numerous country schools and cemeteries, including Mapleton Sch, Mt Hope Cem, and St Paul Ch.
    4 unique versions available

  6. 1959 Map of Hartford, 1961 Print
    1959 Map of Hartford, 1961 Print
    1959 Hartford
    1961 Print · USGS
    Southeastern Wisconsin's kettle moraine landscape is shown here in the late fifties as rail lines and rural schools defined local life. Trace ancestral roots through sites like Christs Manger Sch Cem, the old Lincoln Sch, and the rail junction at Slinger.
    2 unique versions available

  7. 1959 Map of Hartland, 1961 Print
    1959 Map of Hartland, 1961 Print
    1959 Hartland
    1961 Print · USGS
    Waukesha County at the close of the 1950s shows a landscape defined by glacial lakes and a maturing rail network. Genealogists and historians can trace old community hubs like Stonebank and Merton, identifying local landmarks from St Olaf Ch to University Lake Sch.

  8. 1959 Map of Merton, 1961 Print
    1959 Map of Merton, 1961 Print
    1959 Merton
    1961 Print · USGS
    The glacial lakelands of Waukesha and Washington Counties are shown in the late 1950s as quiet rural communities began to evolve. Genealogists and historians can trace family locations near Holy Hill, the village of Merton, and numerous historic sites like St Johns Cemetery and Center Oak School.
    4 unique versions available

  9. 1959 Map of Hartford East, 1964 Print
    1959 Map of Hartford East, 1964 Print
    1959 Hartford East
    1964 Print · USGS
    Mid-century Washington County is captured here at a time when rail lines and rural schools defined the community. Genealogists can trace family roots through landmarks like Union Cem, St Augustine Sch, and the junction at Slinger.
    3 unique versions available

  10. 1959 Map of Hartford West, 1964 Print
    1959 Map of Hartford West, 1964 Print
    1959 Hartford West
    1964 Print · USGS
    Dodge and Washington Counties are shown here in the late fifties as the area balanced industrial growth with its agricultural roots. Genealogists can trace family landmarks through numerous sites like Hallowell Cemetery, Saylesville, and the St Kilian School.
    3 unique versions available

  11. 1960 Map of Madison
    1960 Map of Madison
    1960 Madison
    1960 Print · USGS
    Central and Southern Wisconsin are captured in the late fifties, showing the region as its rail-and-river network matured. Trace the paths of the Soo Line RR or locate family roots near Lake Mendota and Horicon National Wildlife Refuge.
    2 unique versions available

  12. 1984 Map of Oconomowoc, 1985 Print
    1984 Map of Oconomowoc, 1985 Print
    1984 Oconomowoc
    1985 Print · USGS
    Southeast Wisconsin in the mid-eighties shows a landscape defined by its glacial heritage and expanding metropolitan corridors. Genealogists and historians can trace the development of lakeside communities like Oconomowoc and Pewaukee, or find established settlements such as Watertown and Beaver Dam.

  13. 1991 Map of Oconomowoc
    1991 Map of Oconomowoc
    1991 Oconomowoc
    1991 Print · USGS
    Southeastern Wisconsin in the early nineties shows a landscape of glacial lakes and growing suburbs. Trace local history through Aztalan State Park, Carroll College, and the sprawling Horicon Marsh State Wildlife Area.

  14. 2022 Map of Hartford East, 2022 Print
    2022 Map of Hartford East, 2022 Print
    2022 Hartford East
    2022 Print · USGS
    The glacial landscapes of Washington County are captured here in a modern era, showing the transition from lakeside retreats to established towns. Genealogists can locate family sites near Saint Lawrence Cem, Ackerville, and Old Saint Peter Cem.

  15. 2022 Map of Hartford West, 2022 Print
    2022 Map of Hartford West, 2022 Print
    2022 Hartford West
    2022 Print · USGS
    Eastern Dodge County is captured here in the early twenty-first century as agricultural lands meet the growing town of Hartford. Researchers can trace local lineage through Hallowell Farm Cem or explore the shores of Druid Lake and the Rubicon River.

  16. 2022 Map of Merton, 2022 Print
    2022 Map of Merton, 2022 Print
    2022 Merton
    2022 Print · USGS
    Waukesha County's kettle moraine landscape is shown here in the early 2020s, featuring the interconnected river systems and lakes of Merton and Richfield. Researchers can trace local heritage through the Ice Age National Scenic Trail and sites like Saint Columba Cem and Monches Millpond 38.

  17. 2022 Map of Stonebank, 2022 Print
    2022 Map of Stonebank, 2022 Print
    2022 Stonebank
    2022 Print · USGS
    Waukesha County's lake country is captured here in the early twenty-first century, showing the established communities of Stonebank and Chenequa. Researchers can trace local history through numerous sites like Saint Catherines Catholic Cem, Alderley Millpond, and Oconomowoc Airport.

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