There is a biological disposal site off of Ketron Island:

https://www.nws.usace.army.mil/Portals/27/docs/civilworks/dredging/Monitoring/Final%20Anderson%20Ketron%20Survey%20Report_Apr%202,%202016.pdf

Remember all the feet washing up in Vancouver? All of these islands are suspect I think.

Interesting links/synchronicity:

August 9th anniversary of the plane crash that killed Alaska Senator Ted Stevens. There is an airport named after him and Alaska Airlines flies from there. He was in a de Havilland and on a fishing trip. And his career was destroyed by………

https://mustreadalaska.com/robert-mueller-oversaw-witch-hunt-against-ted-stevens/