The history of the Rio Grande since the late nineteenth century reflects the evolution of water-resource management in the West. It was here that the earliest i

The waters from the lower Rio Grande River are shared between the United States and Mexico pursuant to a 1944 Treaty. Beginning in 1992, Mexico claimed that "ex

The Rio Grande was ancient long before the first humans reached its banks. These days, the highly regulated river looks nothing like it did to those early settl