They were put to work as cleaners at fish farms along the Mississippi River and in wastewater treatment systems.

VOA: special.2009.12.15

And then I go to the East River to go running, and I work in the West Village.

然后我去东河跑步，在西村工作。

洛杉矶和纽约不一样 - SpeakingMax英语口语达人

Hersman does not expect the investigation to delay removal of debris from the river or work on a temporary solution to replace or repair the I-5 span.

NPR: NTSB Says Wash. Bridge Collapse Is Wake-Up Call

Navigation will be restricted along the river while the work takes place, but access will continue.

BBC: River Nene: Silt removal aimed at improving navigation

NPR's Laura Sydell takes us to visit them at the edge of the river where they work.

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