Question: Terlingua Creek is a stream in the U.S. state of Texas, it is a tributary of which one of the principal rivers in the southwest United States and northern Mexico (the other being the Colorado River), and begins in south-central Colorado in the United States and flows to the Gulf of Mexico?
Sentence (from "San Juan River (Colorado River)"): The San Juan is also one of the muddiest rivers in North America, carrying an average of 25 million US tons (22.6 million t) of silt and sediment each year.
Relevant evidence: No