Mining the world's largest sandbox in the Athabasca tar sands is a job for big machines, like this 150-ton truck, and big money, says Sun Oil executiv(...)

Original Toronto Star caption: Mining the world's largest sandbox in the Athabasca tar sands is a job for big machines; like this 150-ton truck; and big money; says Sun Oil executive M. S. Smith. His firm; through Great Canadian Oil Sands Ltd.; has put in more than $300 million since production began in Alberta in 1968.