The Border That Isn't Quite Where Everyone Agreed It Would Be — And Has Been Wrong for 150 Years
When surveyors first drew the line between the United States and Canada in the 1870s, they made a small but consequential mistake in one stretch of North Dakota — placing the physical border marker nearly a quarter mile off from where the treaty said it should be. Both governments eventually figured this out. Neither one has fixed it. And people on both sides have been quietly living inside the contradiction ever since.