Building the Panama Canalde Kelly Doudna1 online resource (27 pages)MateriasPanama canal (panama)Panama, juvenile literatureCanals -- Design and construction -- Juvenile literatureHydraulic engineering -- Juvenile literatureTECHNOLOGY & ENGINEERING -- HydraulicsCanals -- Design and constructionHydraulic engineeringPanama Canal (Panama) -- Juvenile literature