Thought this might be of interest ... amazing how the boundary waters of US end up in the Arctic !
https://www.smithsonianmag.com/science-nature/these-entrancing-maps-capture-which-oceans-rivers-run-into-180983481/?utm_campaign=mb&utm_medium=newsletter&utm_source=morning_brew
https://www.smithsonianmag.com/science-nature/these-entrancing-maps-capture-which-oceans-rivers-run-into-180983481/?utm_campaign=mb&utm_medium=newsletter&utm_source=morning_brew