With all the news of so many US box factories closing, I hope some of their resources could be repurposed to make new building materials before the jobs and knowledge of the plant are lost

https://sherwood.news/markets/us-box-factories-are-folding-f...

for an example of how large one of these factories usually are, here's a freshly closed uncoated recycled paperboard mill in Fitchburg:

https://www.google.com/maps/place/100+Newark+Ave,+Fitchburg,...