2010-01-252010-01-252010-01-25https://hdl.handle.net/2139/5613Colour: Black and White; Style: Landscape; Other: Bordered, DividedPhoto of blue collar workers digging pitch and loading it onto railroad carts.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 TobagoRailroads--Trinidad and TobagoCarriages and carts--Trinidad and TobagoBlue collar workers--Trinidad and TobagoPitch Lake, The (La Brea)Image