Three dead palm trees, at least two of which have cavity nests (probably those of the golden-fronted woodpecker), behind telephone lines off Texas State Highway 4.
Originally, treaties between Mexico and the United States provided for mutual navigation rights along the Rio Grande. Now, the river water is used primarily for domestic purposes and irrigation. As a result of the United States-Mexico water treaty of…
River ramp leading to the Rio Grande near Brownsville. Vegetation lines both sides of the ramp, while trees are visible on the other side of the river.
The Mexican-American border is constantly changing, not just by treaty, but by the persistent erosion of the Rio Grande. As a natural boundary, the river's channel determines the technical border between the two countries. Historically, the Rio…
The character of the landscape along the Rio Grande is determined by its use, even if only as a place to cross. Millions of what were then pejoratively called"wet-backs," mojados, "illegal aliens," or more appropriately undocumented workers attempt…
Most automobile traffic crosses the Rio Grande at established bridge points at one of the fifteen sister cities. This "International Ferry" at Los Ebanos is the last hand-pulled ferry along the river. It can carry three vehicles per trip. Privately…
Three main cultural factors influence the flow and course of the Rio Grande. The first is the large and growing agricultural network, including diversion dams, reservoirs, and irrigation canals. The second is the development of urban water and power…