It is navigable by native junks above Kirin, which city may also be reached by steamer.
It is navigable by junks between that city and Ninguta, though the torrents in its course make the voyage backwards and forwards one of considerable difficulty.
A fleet of small steamers, schooners and junks, carries on trade with the towns and districts on the east and west coasts of the Gulf of Siam.
In 1856 he commissioned the "Acorn" brig for the China station, and arrived in time to take part in the destruction of the junks in Fatshan creek on the 1st of June 1857, and in the capture of Canton in the following December, for which, in February 1858, he received a post-captain's commission.
The importance of this is evident when we consider that late in the 19th century Japanese junks still drifted over by the ocean current to California at the rate of about one a year, often with some of the crew still alive.