174 



NAUTICAL CHART MANUAL 



A. 



The Coastline (Nature of the Coast) 



1 Shoreline unsurveyed 



'^Mangrove\ 



7 Mangrove 



lie Sand and mud 



high lo w 



2 Steep coast (Bluff) 



8 Surveyed coastline 



llf Sand and gravel 



2a Flat coast 



9 fi/gh wafer line 



1 Ig Coral, uncovers at sounding 

 datum (See 0-10) 



3 Cliffy coast 



10 Low water line 



( if CA/C/Ji/uc ) 



12 Breakers along a shore 

 (See 0-25) 



11 Foreshore 



(Strand in general) 



3a Rocky coast 



11a Mud 



4 Sandhills; Dunes 



lib Sand 



5 Stony or Shingly shore 



U^' 



,.ey' 



13 



12 17 



14 Limit of unsurveyed areas 



lie Stones; Shingle; or Gravel 



(Aa) Rubble 



6 Sandy shore 



lid Rock, uncovers at sounding 

 datum (SeeA-llg) 



(Ab) Shoreline from older surveys or 



small-scale charts 



