That was a fantastic article and some amazing sleuthing! Thank you for tracking it down. A quarter of the way into the article I needed to know why that bridg

That was a fantastic article and some amazing sleuthing! Thank you for tracking it down. A quarter of the way into the article I needed to know why that bridge was there, and I’ve never been to Minnesota and have no relatives there :-) Anyway, your solution to the mystery was very insightful and probably applies to many domains of inquiry.