St.Lawrence waterway : report of the Joint board of engineers appointed by the governments of the Un - detaljert visning

St.Lawrence waterway : report of the Joint board of engineers appointed by the governments of the United States and Canada on the improvement of the St.Lawrence river between Lake Ontario and Montreal and on related questions referred to the Board by the two governments


Utgitt	Washington : Government Printing Office , 1927
Omfang	46 s., 10 fold. kart