Seine River Steamers early vessels meant that positive traction by pulling on a chain against a deadman or anchor was much more effective. In the 1830s river travel was considered dangerous, so much so that insurers would put a 25 percent premium on cargoes and vessels travelling the route. The Seine is divided into three sections, the lower or Oise section, middle or Paris Section, and upper or Marne section. Ships enter the river at Le Havre through a bad tidal bore. (Victor Hugo's favourite daughter was killed while travelling in a small boat across the bore.) Oceangoing ships can travel to Rouen,
Port River Port River The Port River (officially known as the Port Adelaide River) is part of a tidal estuary located north of the Adelaide city centre in the Australian state of South Australia, and used as a shipping channel since the beginning of European settlement in 1836. The river is officially known as the "Port Adelaide River" while the name "Port River" is described in official sources as "a local variant." The Port River is the western branch of the largest tidal estuary on the eastern side of Gulf St Vincent. It extends inland through the historic Inner Harbour of Port