Dredging on the Panamá Canal :
Claybourn, John G
Dredging on the Panamá Canal : paper presented at the First meeting of the Panama section of the American Society of Civil engineers, held in Panamá City on February 27, 1931, in honor of the members of the Inter-Oceanic Canal board and the chief of the Nicaragua Canal survey - [S.l.] [s.e.] 1931 - p.v
HISTORIA PANAMEÑA
CANAL DE PANAMA
Dredging on the Panamá Canal : paper presented at the First meeting of the Panama section of the American Society of Civil engineers, held in Panamá City on February 27, 1931, in honor of the members of the Inter-Oceanic Canal board and the chief of the Nicaragua Canal survey - [S.l.] [s.e.] 1931 - p.v
HISTORIA PANAMEÑA
CANAL DE PANAMA