Public [act] 23-39, 66th Congress. Grant Pass. S. 1361, act further extending time for bridge or bridges authorized by act to amend act to authorize Dauphin Island Railway and Harbor Company to construct bridge or bridges, or viaducts, across [Grant Pass] between mainland, at or near Cedar Point, and Dauphin Island, both Little and Big, also to dredge channel from Mobile Bay into Dauphin Bay, also to construct docks and wharves along both Little and Big Dauphin islands.