United States. Congress. Senate. Committee on Commerce
Jack Fowler
United States. Congress. House. Committee on Rivers and Harbors
Hubert R. Cooper
P. M. Dekker
Lawrence E. Will
Mort J. Richardson
Boris Evmenʹevich Romanenko
Chris Peeters
United States. Army. Corps of Engineers. Portland District.
United States. Army. Office of the Chief of Engineers.
Hebei sheng nan yun he xia you shu jun wei yuan hui
United States. Congress. Senate
Unknown Author
Cornelis Redelijkheid
S. P. Ogorodnikov
Battelle Memorial Institute
Osgood dredge company