Students cast a concrete canoe at Cal Poly

Team members and volunteers apply a specialty mix of lightweight concrete to a near-20-foot-long canoe mold during the Cal Poly Concrete Canoe Team's fall practice Casting Day. The team has won the national championship the last two years.
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Team members and volunteers apply a specialty mix of lightweight concrete to a near-20-foot-long canoe mold during the Cal Poly Concrete Canoe Team's fall practice Casting Day. The team has won the national championship the last two years.