Starved Rock Lock and Dam
... that the two chief engineers who worked on the Starved Rock Lock and Dam also worked together on the Panama Canal Locks?
... that the two chief engineers who worked on the <b id="mwAyw"><a href="./Starved_Rock_Lock_and_Dam" id="mwAy0" rel="mw:WikiLink" title="Starved Rock Lock and Dam">Starved Rock Lock and Dam</a></b> also worked together on the <a class="mw-redirect" href="./Panama_Canal_Locks" id="mwAy4" rel="mw:WikiLink" title="Panama Canal Locks">Panama Canal Locks</a>?