Old Maps of Union, Texas for Metal Detecting

Plan your next treasure hunt with 8 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, TX maps

(8)
  1. 1920 Map of Smiley
    1920 Map of Smiley
    1920 Smiley
    1920 Print · USGS
    South Texas ranching and rail life are preserved here in the era following the first World War. Genealogists can trace family roots through labeled landmarks like Willow Springs Ranch, the Southern Pacific Railroad, and the settlement at Nixon.

  2. 1942 Map of Dewville
    1942 Map of Dewville
    1942 Dewville
    1942 Print · USGS
    The rural borderlands of South Texas are mapped here just before the mid-century, showing a landscape of family ranches and crossroads stores. Researchers can locate ancestral sites like Thomas Springs Ranch and long-standing community centers such as Bethel School and Zion Hill Church.

  3. 1953 Map of Seguin, 1965 Print
    1953 Map of Seguin, 1965 Print
    1953 Seguin
    1965 Print · USGS
    South Texas in the early fifties shows a thriving river-and-rail economy across the Guadalupe and Colorado basins. Genealogists and historians can trace rail routes like the Southern Pacific through Seguin, locate oil wells, or find the Gary AAF near San Marcos.
    4 unique versions available

  4. 1956 Map of Dewville
    1956 Map of Dewville
    1956 Dewville
    1956 Print · USGS
    Guadalupe and Wilson counties are captured here in the mid-1930s, showing a landscape defined by cattle ranching and rural schools. Genealogists can trace family homesteads like Joe Cliff Ranch and Ballard and Place Ranch or find ancestral sites at Zion Hill Church.

  5. 1958 Map of Seguin
    1958 Map of Seguin
    1958 Seguin
    1958 Print · USGS
    South Texas in the late fifties was a network of river-valley settlements and active oilfields tied together by major rail lines. Genealogists and historians can trace family-named sites across Rabb Prairie, locate the Behring Store, or follow the Southern Pacific through Schulenburg.

  6. 1961 Map of Nixon, 1963 Print
    1961 Map of Nixon, 1963 Print
    1961 Nixon
    1963 Print · USGS
    The South Texas prairie around Nixon is captured here in the early 1960s, showing a landscape shaped by the Southern Pacific railroad and local industry. Researchers can find many family landmarks, from the Claypits to rural sites like Union Valley Ch and Dewville Cem.
    3 unique versions available

  7. 1985 Map of Cuero
    1985 Map of Cuero
    1985 Cuero
    1985 Print · USGS
    South Texas in the mid-eighties reveals a landscape of river-bottom farms and active petroleum production. Researchers can trace family-named landmarks and rural settlements like Monthalia, Kosciuszko, and the Thomaston Oil Field along the Southern Pacific rail lines.
    2 unique versions available

  8. 2022 Map of Nixon, 2022 Print
    2022 Map of Nixon, 2022 Print
    2022 Nixon
    2022 Print · USGS
    The Gonzales and Wilson County line runs through this South Texas landscape during the early 2020s, centered on the community of Nixon. Genealogists can trace local roots across nearly a dozen burial sites, including Harris Chapel Greater Rising, Star Cem, and Dewville Cem.

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