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.
A group of second-graders from the Garretson School District in Garretson, South Dakota pose for a photo at the Earth Resources Observation and Science Center near Sioux Falls, SD.
Public Domain.
