Banco Convention of 1905
| Convention Between the United States and Mexico for the Elimination of the Bancos in the Rio Grande from the Effects of Article II of the Treaty of November 12, 1884 | |
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Mexico-US border monument 231 | |
| Signed | March 20, 1905 |
| Location | Washington, D.C. |
| Effective | June 5, 1907 |
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The Banco Convention of 1905, between the United States and Mexico, was negotiated and signed in 1905 and ratified by both nations in 1907. It resulted in 247 exchanges of bancos (land surrounded by bends in the river that became segregated by a cutoff often by the rapid erosion of the river channel) between the two nations from 1910 to 1976. Most of them were in the Lower Rio Grande Valley, the Presidio Valley and the El Paso-Juarez Valley. In 1927, the convention was applied to the short international border on the Colorado River.