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Panama Canal
Vertical Fossils and sediment layers exposed during ongoing maintenance of the Panama Canal hold clues to when the Central American peninsula merged with South America to form the isthmus of Panama. | Horizontal Fossils and sediment layers exposed during ongoing maintenance of the Panama Canal hold clues to when the Central American peninsula merged with South America to form the isthmus of Panama. | Thumb Fossils and sediment layers exposed during ongoing maintenance of the Panama Canal hold clues to when the Central American peninsula merged with South America to form the isthmus of Panama. |