[Olsen Towing Line tugboat.]

[Olsen Towing Line tugboats.]

[Olsen Towing Line tugboat.]

[Tugboats on the Hudson River.]

[Tugboat on Hudson River.]

[Tugboat on the Hudson River.]

[Tugboats on the Hudson River.]

[New York Central tugboat on Hudson River.]

[Tugboats pulling barges on the Hudson River.]

[Tugboat pulling barge on the Hudson River.]

[Mary E. Meseck tugboat approaching railroad terminal.]

[Tugboat pulling barge on the Hudson River.]

[Tugboat pulling barges on the Hudson River.]

[Tugboat pulling freight car float.]

[Tugboat pulling freight car float.]

[Tracy Towing Corporation tugboat pulling McLain Line barges in New York Harbor.]

[Tugboats at Hoboken Ferry Terminal.]

[Dalzellido tugboat at Hoboken Ferry Terminal.]

[Dalzellido tugboat at Hoboken Ferry Terminal.]

[Dalzellido tugboat at Hoboken Ferry Terminal.]