Palmer & Baker, Inc.
Belle Chasse Tunnel
(Plaquemines Parish, Louisiana)Consulting Engineers, 1956Tunnel under the Intracoastal Waterway on Southbound LA 23Open to traffic
(Jefferson Parish, Louisiana)Consulting Engineers, 1957Tunnel underneath Harvey Canal on Old Business US 90 in New OrleansOpen to four lanes of traffic with pedestrian access
(Harris County, Texas)Engineer, 1950Tunnel under Houston Ship Channel on Federal RoadOpen to traffic