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Old Maps of San Benito, Texas for Metal Detecting

Plan your next treasure hunt with 39 historic maps of San Benito. 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 San Benito.

San Benito, TX maps

(39)
  1. 1929 Map of Rio Hondo
    1929 Map of Rio Hondo
    1929 Rio Hondo
    1929 Print · USGS
    Coastal South Texas is captured here in the late twenties, showing the intricate water systems and rail lines of the Lower Rio Grande Valley. Genealogists and historians can trace local landmarks like Rio Hondo, the Mexican Christian Ch, and the San Jose Sch.
  4. 1929 Map of Harlingen
    1929 Map of Harlingen
    1929 Harlingen
    1929 Print · USGS
    Harlingen and San Benito appear as thriving rail centers in the late 1920s as the Rio Grande Valley’s citrus industry took hold. Trace family roots and early farmsteads near Lake Harlingen, the Palmetal Sch, and the winding Arroyo Colorado.
  7. 1929 Map of La Paloma
    1929 Map of La Paloma
    1929 La Paloma
    1929 Print · USGS
    Coastal South Texas is depicted here in the late twenties as the agricultural valley relied on the irrigation of the old river resacas. Genealogists and historians can trace the early rail stops and schools like Rangerville Sch, Carricitos Siding, and the riverside village of La Paloma.
  10. 1930 Map of Barreda
    1930 Map of Barreda
    1930 Barreda
    1930 Print · USGS
    Coastal South Texas is seen here during the irrigation boom of the early thirties, showing the intricate oxbows and ranch lands. Researchers can trace the St Louis Brownsville and Mexico Railway past Barreda and the Old Military Road.
  13. 1932 Map of Rio Hondo
    1932 Map of Rio Hondo
    1932 Rio Hondo
    1932 Print · USGS
    Coastal Texas ranching and rail commerce meet in the early 1930s as irrigation begins to reshape the landscape around Rio Hondo. Genealogists and historians can trace family-named landmarks and rural hubs like Las Yescas Ranch, Lozano, and the Mexican Christian Ch.
    3 unique versions available
  16. 1932 Map of Harlingen
    1932 Map of Harlingen
    1932 Harlingen
    1932 Print · USGS
    The Rio Grande Valley comes into focus as a bustling agricultural and rail hub in the early thirties. Trace family roots and old property lines near Harlingen, San Benito, and the Palmetal Sch along the Arroyo Colorado.
    3 unique versions available
  19. 1936 Map of Barreda
    1936 Map of Barreda
    1936 Barreda
    1936 Print · USGS
    The Lower Rio Grande Valley's unique oxbow landscape is captured here in the mid-1930s, showing a network of resacas and early irrigation works. Researchers can trace family-named lands like Soldado Ranch and Naranjas Ranch or locate the old Airways Beacon near Olmito.
    2 unique versions available
  22. 1936 Map of La Paloma
    1936 Map of La Paloma
    1936 La Paloma
    1936 Print · USGS
    The Lower Rio Grande Valley comes into focus during the mid-1930s as irrigation and rail lines transformed the borderlands. Genealogists and researchers can trace family landmarks and early school sites like Highland Sch, the Missouri Pacific rail stops, and the river benches at Capote Banco No 13.
    2 unique versions available
  25. 1945 Map of Olmito
    1945 Map of Olmito
    1945 Olmito
    1945 Print · USGS
    Cameron County in the mid-forties shows a landscape shaped by the winding resacas of the Rio Grande Valley. Genealogists and historians can trace the development of the Missouri Pacific Line and local landmarks like Barreda State Park and Soldado Ranch.
  28. 1953 Map of Brownsville
    1953 Map of Brownsville
    1953 Brownsville
    1953 Print · USGS
    South Texas ranchlands and the Lower Rio Grande Valley are captured here in the early fifties as the region's irrigation and shipping networks expanded. Genealogists and historians can trace family landholdings like Tecolote Ranch or follow the route of the St Louis Brownsville and Mexico rail line through Sebastian and Yturria.
  31. 1956 Map of Rio Hondo
    1956 Map of Rio Hondo
    1956 Rio Hondo
    1956 Print · USGS
    Coastal South Texas is shown here at mid-century, where complex irrigation networks and rail lines defined the landscape near the Gulf. Genealogists and historians can trace the foundations of San Benito and Rio Hondo, or find local landmarks like the Monte Meta Cemetery and Las Yescas Sch.
    3 unique versions available
  34. 1956 Map of Olmito, 1957 Print
    1956 Map of Olmito, 1957 Print
    1956 Olmito
    1957 Print · USGS
    In the mid-1950s, the Cameron County landscape was a complex network of ancient resacas and modern irrigation canals. Trace family-named landmarks and settlements along the Missouri Pacific rail line, including Russeltown, Villa Cavazos, and Olmito Lake.
    5 unique versions available
  37. 1956 Map of La Paloma, 1958 Print
    1956 Map of La Paloma, 1958 Print
    1956 La Paloma
    1958 Print · USGS
    The Lower Rio Grande Valley in the mid-fifties shows a landscape of intricate irrigation and river-border settlements. Genealogists can trace family footprints near Rangerville, El Calaboz, and the river bends at Esparza-Vera Bend.
    3 unique versions available
  40. 1956 Map of Harlingen, 1959 Print
    1956 Map of Harlingen, 1959 Print
    1956 Harlingen
    1959 Print · USGS
    Harlingen and the lower Rio Grande Valley are shown during a period of rapid mid-century growth and military importance. Genealogists and historians can trace the development of neighborhood schools like Alamo Sch, the extensive Harlingen Air Force Base, and the winding Arroyo Colorado.
    3 unique versions available
  43. 1956 Map of Brownsville, 1969 Print
    1956 Map of Brownsville, 1969 Print
    1956 Brownsville
    1969 Print · USGS
    The Texas-Mexico borderlands and the Gulf coast come alive in this mid-century survey of the Rio Grande Valley. Genealogists and historians can trace the reach of the Missouri Pacific rail lines through citrus country to schools like Las Yescas and Palm Grove.
    2 unique versions available
  46. 1956 Map of Port Isabel, 1983 Print
    1956 Map of Port Isabel, 1983 Print
    1956 Port Isabel
    1983 Print · USGS
    Coastal Texas and the Rio Grande Valley are shown here in the mid-twentieth century as the region balanced intensive agriculture with maritime trade. Researchers can trace historic rail lines like the SOUTHERN PACIFIC and locate rural landmarks such as Las Yescas Sch or the Armstrong Ranch.
  49. 1962 Map of Brownsville
    1962 Map of Brownsville
    1962 Brownsville
    1962 Print · USGS
    The Lower Rio Grande Valley in the early sixties was a landscape of coastal wildlands, booming oil fields, and international border commerce. Trace the development of this frontier region through landmarks like Harlingen Air Force Base, Boca Chica Island, and the Willamar Oil Field.
  52. 1992 Map of Harlingen
    1992 Map of Harlingen
    1992 Harlingen
    1992 Print · USGS
    South Texas in the early nineties shows a landscape defined by industrial growth and coastal conservation along the Rio Grande. Trace the rail lines of the Missouri Pacific through Raymondville or locate the historic Palo Alto Battlefield near Port Isabel.
  55. 2002 Map of La Paloma, 2003 Print
    2002 Map of La Paloma, 2003 Print
    2002 La Paloma
    2003 Print · USGS
    The Lower Rio Grande Valley at the turn of the millennium shows a landscape defined by international borders and river meanders. Genealogists can trace family footprints near La Paloma, Rangerville, and local landmarks like the La Encantada School.
  58. 2010 Map of Harlingen, 2010 Print
    2010 Map of Harlingen, 2010 Print
    2010 Harlingen
    2010 Print · USGS
    Covers San Benito, including Harlingen, Primera, and other nearby areas
  61. 2010 Map of Rio Hondo, 2010 Print
    2010 Map of Rio Hondo, 2010 Print
    2010 Rio Hondo
    2010 Print · USGS
    Covers San Benito, including Brownsville, Harlingen, and other nearby areas
  64. 2010 Map of Olmito, 2010 Print
    2010 Map of Olmito, 2010 Print
    2010 Olmito
    2010 Print · USGS
    Covers San Benito, including Brownsville, Los Fresnos, and other nearby areas
  67. 2010 Map of La Paloma, 2010 Print
    2010 Map of La Paloma, 2010 Print
    2010 La Paloma
    2010 Print · USGS
    Covers San Benito, including Brownsville, Harlingen, and other nearby areas
  70. 2013 Map of Rio Hondo, 2013 Print
    2013 Map of Rio Hondo, 2013 Print
    2013 Rio Hondo
    2013 Print · USGS
    Covers San Benito, including Brownsville, Harlingen, and other nearby areas
  73. 2013 Map of La Paloma, 2013 Print
    2013 Map of La Paloma, 2013 Print
    2013 La Paloma
    2013 Print · USGS
    Covers San Benito, including Brownsville, Harlingen, and other nearby areas
Showing maps 1-25 of 39

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Frequently asked questions

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