Complex sentence: The "William G. Mather" was a laker built in 1925 and a former flagship for the Cleveland-Cliffs Iron Company; it is now a maritime museum, open to the public in Cleveland, Ohio's North Coast Harbor.
Split into simpler sentences: The "William G. Mather" was a laker built in 1925 and a former flagship for the Cleveland-Cliffs Iron Company. It is now a maritime museum, open to the public, in Cleveland's North Coast Harbor.