Of the existing two river entrances, only the north locks remain operational.

The original river entrance presented navigational difficulties, with the area affected by silting.

Direct river access to the west is no longer provided, with the only remains of the river entrance being markings on the dock wall.

Every major port or river entrance on the eastern seaboard was protected by a series of minefields.

I've got a home about fifteen miles away, up the coast from the river entrance.

"Tell them they can see that my ship is anchored off the river entrance, and that I have come here in the hope of doing business."

TheGriffin seemed like an excited horse galloping towards a fence represented by the river entrance.

Greer's car, a Mercury, was parked in a visitor slot by the river entrance.

Most downtown buildings have street entrances and separate river entrances one level below.