Gian-Carlo Carra suspects it will take a certain type of entrepreneur to revive Calgary's sandstone industry. And that began with council passing his notice of motion on Wednesday to investigate the economic viability of reopening two of Calgary's quarries. That includes the crumbling walls of old Calgary city hall, which is closed for restoration for the next four years. Gian-Carlo Carra is floating the idea of reopening two of Calgary's old sandstone quarries so that the city can locally source material for refurbishing historic buildings. (Kate Adach/CBC)Digging up the pastIt was the devastating Great Fire of 1886 that sparked the sandstone boom in Calgary.

Source: CBC News September 14, 2016 17:41 UTC