Dole pineapple cannery, circa 1958, The ILWU Story: Six Decades of Militant Unionism, International Longshore and Warehouse Union, 1997.

The ILWU’s success in organizing in the pineapple industry in Hawaii was attributed to the workers overcoming racial and ethnic divisions deliberately encouraged by employers.

See also an image of a man planting pineapple in Hawaii in 1976 as the effort to win decent wages for workers in that industry dragged on. 

See this image in the Images From the Waterfront exhibit.