The land was now physically south of the Rio Grande—the border between Mexico and the U.S. since 1845—and Mexican authorities unknowingly assumed control of the area, which became known as the Horcón Tract.
Tanah ini sekarang secara fisik berada di selatan Rio Grande—perbatasan antara Meksiko dan AS sejak 1845—dan pihak Meksiko mengontrol wilayah ini, yang kemudian dikenal sebagai Horcón Tract.