A question has been nagging me of late: Which is worth more? Duluth’s taconite pile or Superior’s coal pile?
Finding these images is the extent of my personal research. I’m curious to hear your responses.
A question has been nagging me of late: Which is worth more? Duluth’s taconite pile or Superior’s coal pile?
Finding these images is the extent of my personal research. I’m curious to hear your responses.
