USGS plastic ocean drifter found in Canada

Detailed Description
Disk found by Parks Canada janitor Jackie Aubertin beside a recycling bin on Vancouver Island. When originally deployed near San Francisco, California, it had a red plastic stem with a brass weight near the end. The Parks Canada janitor who discovered the disk (left) holds a thank-you letter from the USGS, and a Parks Canada ecosystem scientist holds the 1970 report about the USGS study.
Sources/Usage
Public Domain.