This is the link in that sentence: http://www.pmanet.org/the-ilwu-workforce http://www.pmanet.org/the-ilwu-workforce Clicking around on that site shows that it

This is the link in that sentence: http://www.pmanet.org/the-ilwu-workforce http://www.pmanet.org/the-ilwu-workforce Clicking around on that site shows that it is a non-profit representing the companies that negotiate with the longshoreman's union: http://www.pmanet.org/ceo-message http://www.pmanet.org/ceo-message So it's the bosses' word that the average salary for port workers is 147k, and honestly I don't believe it.