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.
Tri-Decadal TM Mosaic of Rocky Mountains & includes ID, WY, NV, UT, & CO. Acquisition date of July 7, 1988 Entity ID: MTN-12-40_LOC
Public Domain.
