Table S1. Recent Non-Native Species Introductions in the Great Lakes
Table S2. Indicative Instrument Approaches and Technologies
Table S3. Practicum Attendees in Superior WI
Table S4. Practicum Attendees in Erie PA
https://verifyballast.med.wayne.edu/ballast-treatments
https://verifyballast.med.wayne.edu/ballast-regulations
http://app.feed.informer.com/digest3/HFBZI3ZBDO.html
Daily Great Lakes and Shipping News http://www.boatnerd.com/news/
Duluth Seaway Port Authority http://www.duluthport.com/
Great Lakes Now https://www.greatlakesnow.org/