NAUTICAL CHART SYMBOLS AND ABBREVIATIONS 



187 



R. 



Depth Contours and Tints (see General Remarks) 



Feet 







6 



12 



18 



2^ 



30 



36 



60 



120 



180 



240 



Fathoms 



ffl^w»9^n£ii«rEa*o* ,' 





 I 



2 



3 



4 



5 



6 



10 



20 



30 



40 



Feet 



300 



600 



1,200 



1,800 



2,400 



3,000 



6,000 



12,000 



18,000 



Fathoms 



50 



100 



200 



300 



400 



500 



1,000 



2,000 



3,000 



Or continuous lines, 

 with values 



black)- 



■ (blue ( 



