The National Oceanic and Atmospheric Administration’s remotely operated vehicle Deep Discoverer investigates a deep-sea coral habitat on Retriever Seamount, part of the Northeast Canyons and Seamounts Marine National Monument, designated by President Barack Obama on Sept. 21, 2016. It’s the only permanently protected reserve in federal Atlantic waters.

Comments are disabled on some stories about sensitive topics.

Augusta and Waterville news

Get news and events from your towns in your inbox every Friday.

  • This field is for validation purposes and should be left unchanged.