Jerry and Kelli discuss the early history of Diamond Tool, the place Jerry worked for a huge part of his adult life, with special focus pine trees and what the heck a calk is. "Ask a Duluthian" segment features a question about smelt.

Thanks to Perfect Duluth Day for the picture: https://www.perfectduluthday.com/2018/03/18/mystery-photo-65-diamonds-are-forever-except-in-duluth/

The Minnesota DNR for information about logging camps: https://www.dnr.state.mn.us/forestry/history/logging-camps.html

And Swanstrom Tools USA for some history:  ...