An ancient 130 - acre California salt marsh was filled , drained and turned into an airfield ; a century later , crews removed 230 , 000 cubic yards of soil to let the tides return

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• timesofindia.indiatimes.com An ancient 130 - acre California salt marsh was filled , drained and turned into an airfield ; a century later , crews removed 230 , 000 cubic yards of soil to let the tides return