Sentence:  Joshua Hancock was the owner of a small fleet of narrow boats working mostly in the Midland canals area. The fleet consisted of six horse-drawn narrow boats used mostly in the Birmingham area, and one over-powered steam boat with the ability to be accompanied by two dumb barges which he used for <WSD>long-hauling</WSD> and river work. 
Meaning of the word marked with <WSD> tags:  The act of travelling long distances.