Citation Top line of outlet pipes 180" Sewer Head of Gowanus Canal, circa 1905, v1986.242.1.13 a,b; John Farnsworth Hammond, Jr. photograph album and other materials, v1986.242; Brooklyn Historical Society. Dimensions 12 7⁄10 x 17 4⁄5 inches Download (right-click 'save as...') Image Link < Return to Exercise