[Lee & Simmons steamtug Jack Frost.]

[Lee & Simmons tugboat pulling Leeway of New York barge.]

[Tugboat near dock.]

[Men working on tugboat.]

[Lee & Simmons steamtug Jack Frost with Lackawanna Railroad freight car float in distance.]

[Tugboat.]

[Docked tugboats.]

[Tugboats with ship.]

[Tugboat at dock.]

[Peter Moran tugboat.]

[Moran tugboat with ship.]

[Tugboat next to ship.]

[Close-up view of Moran tugboat funnel.]

[Detail of docked tugboat.]

[Alice M. Moran tugboat.]

[Men working on tugboat.]

[Olsen Towing Line tugboat.]

[Overhead view of tugboat's deck.]

[Tugboat at dock.]

[Tugboat approaching dock.]