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.
Diver Chris Holbrook, USGS, Adjusting Acoustic Telemetry Receiver Underwater, Lake Huron. This device will receive signals from acoustic tags implanted into fish, allowing us to monitor their movements.
Public Domain.
