[Tugboat.]

[Tugboat.]

[Tugboat.]

[Tugboat.]

[Grain] elevator & tug.

[Tugboats and ship.]

[Tugboat.]

[Tugboat.]

[Tugboats next to ship.]

[Tugboats next to ship.]

Tug and Railcar barge.

[Floating grain elevators.]

[Docking ship.]

[The ship Haiti docking.]

Tugs & Lighters.

[Docking ship.]

Tug and Lighter

Railroad Tugs.

Liner sailing.

Sketch of tugboat.