The main rail artery for Thunder Bay passes Ogilvie’s.
Judging from old pictures and maps, raw ore was dumped through these hatches, stamped into a rough powder, and hastily sorted before sending the best ore to the mill. Mills charged by tons of rock sent to them, so it did not pay to send them obvious tails.
The top floor of the Meal Storage Elevator.
Near the guard post protecting the launch pad at the Duluth BOMARC is an orange windsock.
So much relies on one thing stacked on top of another thing.
On the National Mine property are two shafts, both serving the same workings. This one seems to have gotten some upgrades in the 1960s, judging from the condition of the metal.
One of my favorite signs, informing workers about to descend into the open-top grain bins about basic procedures. This was in ADM-Annex 1 (connected to the cleaning house via skyway), so it will never be seen again, unless the sign lands luckily when the elevator is demolished.
The end of the heating line allowed glass to cool slowly, and thus be stronger.
The mill was powered, in part, by water flowing through turbines under it. After the flow worked the industrial heart of the flour mill, it was exit to the Mississippi here.