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,
History of the Port of Tianjin the town’s name. Sanhui Harbor served as a forward logistics base for the Tang’s campaigns against the Khitans and Goguryeo, with coastal ships and canal barges transporting 500,000 "dan" of grain each year. In 960, the Haihe became the border between the Song Dynasty and the Liao Dynasty. The Haihe port became divided: the Song port was Nigu Harbor (泥沽海口) to the south of the Haihe, and the Liao port was at Junliangcheng，to the north. In 1043, the Yellow River had one of its frequent cataclysmic course changes, and until 1194 it took over the course of the Haihe. In