Lake freighters, or lakers, are bulk carriers operating on the Great Lakes of North America. These vessels are traditionally called boats, although classified as ships. [1][2] Freighters typically have a long, narrow hull, a raised pilothouse, and the engine located at the rear of the ship.

The SS Alpena (formerly the SS Leon Fraser) is a lake freighter. She was built in 1942 by the Great Lakes Engineering Works in Ecorse, Michigan, to carry iron ore. She was originally owned by the Pittsburgh Steamship Company, a subsidiary of United States Steel.

An ore-bulk-oil carrier, also known as combination carrier or OBO, is a ship designed to be capable of carrying wet or dry cargoes. The idea is to reduce the number of empty (ballast) voyages, in which large ships only carry a cargo one way and return empty for another.

Jul 28, 2018 · The giant ore ships bringing the ore from Minnesota, the endless coal trains from southern Illinois, all meeting in the southern end of Lake Michigan in the massive industrial area of the Calumet Region in the northwest corner of Indiana, just south of Chicago.

Oct 1, 2024 · Never one to admit defeat, and certainly one to be galled at having a ship underway without a full load, Ludwig built a special self-unloading ore ship (Ore Convey) to meet these mammoths at the mouth of the river to top them up before sending them north.

A CSL self-unloading Laker loaded iron ore at Superior, Wisconsin, and travelled through the St. Lawrence Seaway system and across the Great Lakes to discharge the cargo at Quebec City. The 34,490 DWT vessel is specifically designed to operate in the unique Seaway lock system and carry the maximum cargo capacity.

Smaller single screw ore ship. Fitted with conveyor system for self-unloading. Originally intended to be based at the mouth of the Orinoco to top up vessels which could not take a full cargo downstream.

Bulk carriers are single-deck vessels, designed with top-side tanks and hopper side tanks in cargo spaces and are intended primarily to carry single-commodity solid bulk cargo. Many bulk carrier types are available namely the Ore carriers, OBO ships, Self unloaders, Forest product carriers & …

Jul 1, 2006 · An ore carrier usually has two longitudinal bulkheads which divide the cargo section into wing tanks and a centre hold which is used for ore. A deep double bottom is fitted. Ore, being a dense cargo, would have a very low centre of gravity if placed in the hold of a normal ship leading to an excess of stability in the fully loaded condition.

Ore Steamship Company was a proprietary company that was founded so Bethlehem Steel could move goods needed by Bethlehem Steel Company. Ore Steamship Company would transport iron ore to the Bethlehem Steel mills on the Atlantic coast. Some ships took steel and steel products to Bethlehem Shipyards.