Can you name the river that rises in a US state at the western edge of the Great Plains and travels 1,400 miles, passes through five US states and Mexico, and is being celebrated for an agreement between the two countries that includes environmental benefits for the first time ever? Can you name the river that rises in a US state at the western edge of the Great Plains and travels 1,400 miles, passes through five US states and Mexico, and is being celebrated for an agreement between the two countries that includes environmental benefits for the first time ever?