Apart from a small steam tug there were none.

Rabboni, first regular steam tug to bring a ship across the Columbia bar.

Sister was built as a small commercial steam tug of the same name in 1882.

A steam tug, the Primrose, was built in 1963.

A steam tug for our tow, and at a most reasonable rate.

We are met by a steam tug and begin our final berthing.

To move the large number of barges, steam tugs were used.

When he died in late 1852, two-thirds of the traffic was pulled by steam tugs.

A day after the stranding the passengers were removed by steam tugs.

There was thereafter no steam tug on the Columbia river bar until 1869.