He was assigned command of all state forces along the Potomac River.

The lowest point is sea level at the Potomac River.

Downhill on that all the way to the Potomac River.

A new bridge over the Potomac River was completed in 1992.

Later, a woman's body is found floating in the Potomac River.

So they were leading him toward the old canal and the Potomac River a few yards beyond.

The rooftop view of the Potomac River is especially nice!

The park extends about one and a half miles along the Potomac River.

The highway was completed to the Potomac River in 1923.

A new bridge over the Potomac River is currently under construction.