Cardiff in making iron and later steel, brought to the sea by packhorse from Merthyr Tydfil. This was first achieved by the construction of a long canal from Merthyr (510 feet above sea-level) to the Taff Estuary at Cardiff. Eventually the Taff Vale Railway replaced the canal barges and massive marshalling yards sprang up as new docks were developed in Cardiff – all prompted by the soaring worldwide demand for coal from the South Wales valleys. At its peak, Cardiff's port area, known as Tiger Bay, became the busiest port in the world and – for some time – the world's
Mosman Bay the area surrounding the bay. Together with his twin brother George, Mosman founded a whaling station within Mosman Bay. Mosman Bay Mosman Bay is a bay of Sydney Harbour adjacent to the suburb of Mosman, 4 km north-east of the Sydney CBD in New South Wales, Australia. Three ferry wharves, Mosman Bay, South Mosman and Old Cremorne, are within the bay, all being served by the F6 Mosman Bay ferry service. In 1789 HMS Sirius entered what is now known as Mosman Bay. Originally known as Great Sirius Cove, this name lives on in the next bay to the east,