35 



vided with lanterns, which will be placed underthe charge 

 of a special guard ( watchman); the number of the buoys 

 will be 12, 6 on each side. 



After the Corralito » bar has been passed there are no- 

 more difficulties as far as Concordia, the depth in this porl 

 in front of the Harbour Police Office being 15 meters. 



The river continues very deep as far as « Salto Chico » 

 but en the Argentine coast past the mole of the slaughter- 

 house of Concordia there are many shoals amongst which 

 deserves to be mentioned specially the one called « La Ca- 

 ballada ». It is met before arriving at the Oriental port of 

 Salto, obstructing the river and leaving only an opening 

 towards the Oriental shore of about 80 meters. 



As has been observed in the foregoing description, of the 

 zone between Conception del Uruguay and Concordia, the 

 inconveniences that difficult navigation drawing 9 feet are 

 numerous, but with exception of the bad passes « Chapicuy . 

 « Hervidero », and « Corralito », the rest can be easily re- 

 moved. The marking of the channels to be opened is also 

 easy and can be done by directions on shore, which already 

 have given good results at the bar of « Altos y Bajos » and 

 « Banco Grande ». 



From the quantities, which are given, results that the 

 maximum cube to be dredged or excavated in the different 

 shallow iDlaees is as stated in the following table: 



