The western expedition was led by the engineer Justin Pouyanne while the central one by the engineer Auguste Choisy and included Georges Rolland.
The central one was led by the engineer Auguste Choisy and included Georges Rolland. The western expedition was led by the engineer Justin Pouyanne.
The western expedition was led by the engineer Justin Pouyanne. The central one was led by the engineer Auguste Choisy and included Georges Rolland.
The western expedition was led by the engineer Justin Pouyanne. The central one was led by the engineer Auguste Choisy and included Georges Rolland.