Your Earth Is Blue: Doghole Ports
Channel: NOAA Sanctuaries
Date: 2017-07-06

Last year, maritime archaeologists in Greater Farallones National Marine Sanctuary investigated historical "doghole ports." These tiny ports got their names because sailors said they were so small, only a dog could turn around in them. A network of doghole ports supported a thriving lumber industry. Check out our video to discover what the archaeologists found!