Interesting find in Montreal: Archeologists found the main kiln used by the Henderson pipe company to make their clay pipes, dating sometime between 1847-90. Also interesting is the statement that it was the Irish immigrants to Canada who sparked the pipe-making industry in Montreal.
EDIT: My mistake, this was already posted by another user here.
Archaeologists Unearth 19th-Century Kiln That Fired Up Pipes for Montreal's Smokers
The city was once a prominent center of Canada's pipe-making industry
www.smithsonianmag.com
EDIT: My mistake, this was already posted by another user here.