RE:RE:RE:RE:Graphite pods.IMO, you also have to consider "back in the day" you guys were talking about they were using steam shovels, if lucky and dynamite to generate tonnage.
You are talking about workmen paid by hour, living in camp, working for the weekend, so they weren't highly motivated to be selective about what went into the shipments.
It would have been more of a competition to look good and fill rail cars.
Bin der, done dat lol