Adventures in STEM is a place where we gather USGS educational resources around an exciting theme to draw learners into USGS science. In 2019, we highlighted the 150th anniversary of John Wesley Powell's first journey down the Green and Colorado Rivers with activities about the geology, ecology, and hydrology of western rivers.
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.
