It is navigable by native junks above Kirin, which city may also be reached by steamer.
According to the custom-house returns the value of the foreign imports and exports in the year 1880 was L691,954 and L1,117,790 respectively, besides a large native trade carried on in junks.
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.
