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Old Maps of Trio, Texas for Metal Detecting

Plan your next treasure hunt with 12 historic maps of Trio. 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 Trio.

Trio, TX maps

(12)
  1. 1898 Map of Uvalde
    1898 Map of Uvalde
    1898 Uvalde
    1898 Print · USGS
    Texas ranching culture and early rail expansion meet in the late 1890s across this detailed landscape. Genealogists and researchers can trace family-named estates like Molesworth Ranch, locate the Sansom P.O., and find industrial relics like the Silver Mine.
    3 unique versions available
  4. 1899 Map of Uvalde, 1931 Print
    1899 Map of Uvalde, 1931 Print
    1899 Uvalde
    1931 Print · USGS
    The South Texas ranching frontier comes into focus during the late nineteenth century as railroads began to transform the cattle economy. Researchers can trace family ranch lands such as McDaniels Ranch, locate the Sansom P.O. at Uvalde, and find local landmarks like Myricks Upper Apiary.
  7. 1954 Map of San Antonio, 1964 Print
    1954 Map of San Antonio, 1964 Print
    1954 San Antonio
    1964 Print · USGS
    San Antonio and the Texas Hill Country are captured here in the mid-fifties, showing a landscape defined by massive military air bases and the rising Canyon Reservoir. Trace family ties through historic rail towns like D'Hanis and Castroville or explore the Cold War footprint of Lackland AFB and Randolph AFB.
    3 unique versions available
  10. 1957 Map of San Antonio
    1957 Map of San Antonio
    1957 San Antonio
    1957 Print · USGS
    San Antonio and the Texas Hill Country are shown here during the mid-fifties, capturing the region's expanding post-war military and transportation footprint. Genealogists and local historians can trace the early residential boundaries of Alamo Heights or locate rural landmarks like St Hedwig and Medina Lake.
  13. 1969 Map of Trio, 1972 Print
    1969 Map of Trio, 1972 Print
    1969 Trio
    1972 Print · USGS
    This Uvalde County landscape captures the Hill Country edge in the late sixties, where ranching life met the winding Sabinal River. Researchers can locate the small settlement of Trio, trace the drainage of Little Blanco Creek, and find landmarks like the Landing Strip.
  16. 1985 Map of Uvalde
    1985 Map of Uvalde
    1985 Uvalde
    1985 Print · USGS
    Uvalde and the surrounding river valleys are captured here in the mid-eighties as a busy crossroads of rail and ranching. Genealogists can locate family sites near Frio Town or trace the Southern Pacific line through Knippa and Sabinal.
  19. 1992 Map of Uvalde
    1992 Map of Uvalde
    1992 Uvalde
    1992 Print · USGS
    The Uvalde and Hondo corridors in the early nineties show a region where the Southern Pacific rail line met a complex network of river valleys. You can trace established family-named landmarks and infrastructure from the Taylor Ina Oil Field to the Uvalde National Fish Hatchery and Garner State Park.
  22. 2010 Map of Trio, 2010 Print
    2010 Map of Trio, 2010 Print
    2010 Trio
    2010 Print · USGS
    Covers Trio, including Long Crossing, Uvalde County, and other nearby areas
  25. 2013 Map of Trio, 2013 Print
    2013 Map of Trio, 2013 Print
    2013 Trio
    2013 Print · USGS
    Covers Trio, including Long Crossing, Uvalde County, and other nearby areas
  28. 2016 Map of Trio, 2016 Print
    2016 Map of Trio, 2016 Print
    2016 Trio
    2016 Print · USGS
    Covers Trio, including Long Crossing, Uvalde County, and other nearby areas
  31. 2019 Map of Trio, 2019 Print
    2019 Map of Trio, 2019 Print
    2019 Trio
    2019 Print · USGS
    Covers Trio, including Long Crossing, Uvalde County, and other nearby areas
  34. 2022 Map of Trio, 2022 Print
    2022 Map of Trio, 2022 Print
    2022 Trio
    2022 Print · USGS
    The Edwards Plateau meets the South Texas ranch lands in this contemporary study of northern Uvalde County. Genealogists and local historians can trace family landholdings and water rights along Blanco Cr, Folts Ranch Rd, and the Sabinal River.
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