Old Maps of Union, Lima for Metal Detecting
Plan your next treasure hunt with 10 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, Lima maps
(10)- 1900 Map of Lancaster1900 Lancaster1900 Print · USGSGrant County and the Mississippi River bluffs are captured at the close of the nineteenth century, showing a landscape of river towns and ridge-top farms. Researchers can trace the early rail corridors and vanished river landings from Cassville and Potosi to the county seat at Lancaster.
- 1904 Map of Lancaster, 1953 Print1904 Lancaster1953 Print · USGSSouthwest Wisconsin and its neighboring river lands are shown at the turn of the century as railroads began to dominate the ridge tops. Researchers can trace the development of the river-and-rail economy through sites like Spechts Ferry, Sinsinawa Mound, and Lancaster.
- 1908 Map of Lancaster1908 Lancaster1908 Print · USGSGrant County and the Mississippi River border appear in the first decade of the twentieth century, when river crossings and new rail lines defined local commerce. Researchers can trace the landings at Spechts Ferry and Mc Cartney or locate early settlements like British Hollow and Beetown.5 unique versions available
- 1959 Map of Dubuque, 1982 Print1959 Dubuque1982 Print · USGSThe Tri-State region comes alive in the mid-twentieth century as a hub of river commerce and rail transit. Genealogists and historians can trace the paths of the Illinois Central Gulf through Dubuque or locate the Savanna Ordnance Depot and Lock and Dam No 11.
- 1961 Map of Dubuque1961 Dubuque1961 Print · USGSThe Tri-State region's river-and-rail landscape is captured here during the early sixties, showing the convergence of Iowa, Illinois, and Wisconsin. Trace mid-century rail lines like the Chicago Great Western Ry and explore sites like the Savanna Ordnance Depot and Backbone State Park.
- 1962 Map of Dubuque1962 Dubuque1962 Print · USGSThe Tri-State region's river-and-rail economy is captured here in the early sixties, centered on the Mississippi River bluffs. Genealogists and historians can locate Numerous lead and zinc mines, the New Melleray Abbey Monastery, and rural hubs like Saint Olaf.2 unique versions available
- 1962 Map of Ellenboro, 1964 Print1962 Ellenboro1964 Print · USGSGrant County's rural landscape is captured here in the early sixties, showing the intricate network of ridge-top farms and valley settlements. Genealogists can trace family footprints across several burial sites and rural institutions, including Whig Cem, Union Sch, and the riverside community of Ellenboro.2 unique versions available
- 1976 Map of Dubuque1976 Dubuque1976 Print · USGSThe tri-state borderlands of Iowa, Wisconsin, and Illinois come alive during the mid-seventies, showing a region built on river commerce and mining. Genealogists and historians can trace the paths of the Illinois Central railroad or locate heritage sites like the New Melleray Abbey Monastery and Backbone State Park.
- 1984 Map of Dubuque North, 1985 Print1984 Dubuque North1985 Print · USGSThis Tri-State region was a hub of Midwestern mining and river commerce in the mid-eighties. Researchers can trace the legacy of the Lead District through specific sites like Annie Mine or locate early civic centers such as First Capitol State Park.2 unique versions available
- 2022 Map of Ellenboro, 2022 Print2022 Ellenboro2022 Print · USGSGrant County's river valleys and highland ridges are captured here in the early twenty-first century as the traditional agricultural layout persists. Local historians can trace family roots through sites like Buckwheat Ridge Cem, Whig Cem, and the quiet settlement of Ellenboro.
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