Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sample sites (n = 13) are shown, as well as the location of the Rocky Mountains (grey shading), major highways, and relevant waterways. Dashed lines indicate boundaries of the river basins in the state that were sampled in this study.
