集結提出一天工作八小時的要求並參與乾草市騷亂的勞工是如相片中的典型鐵路工人

出處: "Occupational Portrait of Three Railroad Workers Standing on Crank Handcar." Between 1850 and 1860. America's First Look into the Camera: Daguerreotype Portraits and Views, 1842-1862, American Memory collections, Library of Congress.