The notes are so good and so amusing that the article is worth reading just to enjoy the notes. Don't miss this rabbit-from-hat moment:

Believe it or not, I was specifically trained by the military as a geo-spatial analyst to identify bridges in black and white aerial photographs taken in the 1960s.

Also... @tylervigen, the note after "Peter Wilson of the Bridges Division got back to me very quickly" doesn't work for me in either of the browsers I tried. I want to know what about Peter Wilson of the Bridges Division getting back to you quickly merited a note!