2009-06-172009-06-172009-06-17https://hdl.handle.net/2139/4700Colour: Black and White; Style: Landscape; Other: Unbordered, DividedPhoto of three workmen digging pitch in Trinidad.enPlease contact the Main Library, The University of the West Indies for permission to use the digitized images. wimail@sta.uwi.eduTrinidad and TobagoPostcardsAsphalt industry--Trinidad and TobagoPitch Lake, TheImage