You might want to check that.
Please examine the image very closely; it appears to be based on the border. Note Lake Superior and positions near lake Erie. https://qph.is.quoracdn.net/main-qimg-073611f762cf3ef329ee65...
About 45 pixels to border, which is down the middle of the lake.
https://www.youtube.com/watch?v=qMkYlIA7mgw
(And that map missed a huge part of the can-us boarder, focusing only on the southern one.)
https://www.youtube.com/watch?v=qMkYlIA7mgw
(And that map missed a huge part of the can-us boarder, focusing only on the southern one.)