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Mexico Surveys Rio Grande Mouth After U.S. Contractors’ Sign Error Triggers Border Review

Mexican teams are surveying the area to verify the boundary following a U.S. assertion that contractors mistakenly posted Defense Department signs on Mexican soil.

Overview

  • Federal specialists, supported by the Mexican Navy, are running topographic measurements at Playa Bagdad and placing fluorescent stakes to document precise coordinates.
  • The Pentagon says its contractors erroneously installed “restricted area” Defense Department signs on Mexican territory after misjudging the line due to shifting depth and topography.
  • Navy personnel removed six signs placed on land and in the water and have reinforced patrols at the river mouth in recent days.
  • Mexico’s Foreign Ministry contacted the U.S. Embassy, and the Mexican section of the International Boundary and Water Commission will conduct technical consultations and map reviews.
  • Tamaulipas Governor Américo Villarreal sought formal clarity on the limits after U.S. officials informally cited coordinates placing the stakes in their territory, noting the river channel can naturally shift.