Rivervale Inverted Siphons Sketch

Sketch of Rivervale inverted siphons that includes the name of the project’s chief engineer, Samuel Joseph “Jimmie” Cohen; circa 1924.

Framed pencil sketch of concrete intake structure pulling in water from river text "1924" across middle small photos of same structure in top right and bottom left of frame text on bottom right "Rivervale Sluiceway S.J. Cohen

Courtesy of Marcie Cohen Ferris