Aggregates play a significant role in the everyday lives of all Ontario residents...

"Aggregates play a significant role in the everyday lives of all Ontario residents.  They are an integral part of our roads, sidewalks, sewers, subway tunnels & airports.  As well as our homes, offices, hospitals, schools & shopping centers."  (MNR)

"Ontario consumes 170 million tonnes of stone, sand and gravel each year - more than any other natural resource. That's 14 tonnes or one truck load per person." (OSSGA)