Iron ore is transported by ship from St. Lawrence, Canada to Philadelphia.
Title reads: "Thro' Ice to Sea".
St. Lawrence, Canada and Philadelphia, United States of America (USA).
Various shots iron ore transport ship "Monrovia" being loaded at Port Cartier. Various shots ore dust pouring from conveyor into hold of the ship. L/S "Monrovia" at the quay, the sea round the boat is frozen. Various shots hatches being closed over the hold. L/S ship at the quay. C/U ice formed on ship's railings. Various C/Us man chipping the ice away.
Aerial shot ship at sea breaking through the ice. Aerial shot tugboat "Salvage Monarch". Aerial shot "Montrovia" breaking through ice. Top shot ice breaking as the ship moves through it. L/S ice breaker "D'Iberville" ploughing through ice. Aerial view ice breaker going through the ice. L/S "Monrovia" breaking through the ice.
Interior. M/S engine rooms of the Monrovia. M/S engineers checking instruments. L/S crewmen pouring oil into screw driver shaft. M/S from "Monrovia" of another boat following in its wake up the Delaware River. L/S Philadelphia skyline. Various shots ore unloaded from hold using scoops and dumped into trucks on quay. L/S Philadelphia skyline.