Photo By/Credit
Poole, Matt/USFWS
Media Usage Rights/License
Public Domain
Image
Lighthouse. north tower to south tower, located at Thacher Island Refuge
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.