Earlier this summer, my family burst out of the gate for our summer vacation. We were gone after the last day of school to visit Toronto for a few days and then proceeded to the Sarnia area to visit my family. While there, I made good use of some free time to visit the CN yard in the city. The yard, if you know what to look for, has many things a railfan can tick off his and her list. 1. The yard has an old roundhouse still standing where Lambton Diesel Specialists work on all sorts of motive power,...