Constructed to use the strong tides of the Potomac River to clear silt from the Washington Channel and to maintain steady water levels in the Lincoln Memorial Reflecting Pools, it now also serves ...

This $615 million project is key to cleaning up the Potomac River ... drill will go under the river itself. The mining must be complete by the start of next year. The Washington Post went 100 ...

Constructed to use the strong tides of the Potomac River to clear silt from the Washington Channel and to maintain steady water levels in the Lincoln Memorial Reflecting Pools, it now also serves ...