Floating derricks lined up at dock gelatin glass negative Chapman Derrick & Wrecking Co. 1964.660.2674 ViewFloating derricks lined up at dock gelatin glass negative Chapman Derrick & Wrecking Co. 1964.660.2675 ViewFloating derricks lined up at dock, circa 1922 gelatin silver print Merritt-Chapman & Scott Corporation circa 1922 2008.28.5.277 View