OSM Way 34365866: Canada-US Great Lakes maritime boundary (Lake Saint Clair)

ID:

KeyValue
admin_level2
border_typeterritorial_waters
boundaryadministrative
noteBoundary section between TP152 and TP173 is a 10.12km geodesic line which will appear slightly curved on a Mercator map. Please do not attempt to "straighen" the line by removing or adjusting midpoints.
sourceInternational Boundary Commission - digital boundary
websitehttps://internationalboundarycommission.org/en/maps-coordinates/coordinates.php

View on OSM map

:-)