With pneumatic spades roaring miners chisel out the twin 1,960-foot-long tunnels for the Spadina rapid transit line at rate of 12 feet a day. 1975 [TPL Archives]
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With pneumatic spades roaring miners chisel out the twin 1,960-foot-long tunnels for the Spadina rapid transit line at rate of 12 feet a day. 1975 [TPL Archives]