Matt Rota says if oil made its way into the marsh, a lot of the plant and animal life would not survive.

VOA: standard.2010.05.09

"The kind of broken marsh that you see out there where you can see the grass and all out there, that's an estuary."

VOA: standard.2010.05.08

Just on the other side of the lock are natural waterways that wind through freshwater marsh.

VOA: standard.2010.05.09

"You see the river is a tree line, and all this is basically fresh-water marsh."

VOA: standard.2010.05.09

Environmental experts say the oil is likely to kill the grass in this marsh.

VOA: standard.2010.06.01

"The one that led paleontologist Othniel Marsh to create the name ceratosaurus."

VOA: standard.2009.12.08