Browse Items (2 total) Subject is exactly "Canals - Panama; Canal construction - Panama" Browse All Browse by Tag Search Items Browse References Sort by: TitleCreatorDate Added The concrete work in the upper lock at Gatun, Panama Canal The concrete work in the upper lock at Gatun, Panama Canal. At the Culebra Cut, Panama Canal People sight seeing at the Culebra Cut, Panama, that is under construction. The railroad car in which they travel is parked at the side. Featured Item Entrance to the Constant Spring Market Constant Spring Market along Constant Spring Road.