Sentence:  [page 56] In the far eastern precincts of the sound, for example, Atlantic fishermen tended to do a lot of <WSD>long-hauling</WSD>. Given their boats' limited engine power and the long distances the fishermen often traveled, spending a week on the water made economic as well as practical sense. ... [page 57] Yet, Harkers Island boats were also used in <WSD>long-hauling</WSD> operations up around Ocracoke, which meant that their fishermen spent at least several nights away from home in their cramped quarters. 
Meaning of the word marked with <WSD> tags:  The act of travelling long distances.