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NAUTICAL CHART MANUAL 



UNITED STATES - EAST COAST 

 DELAWARE - PENNSYLVANIA - NEW JERSEY 



DELAWARE RIVER 



WILMINGTON TO PHILADELPHIA 



Mercator Projection 

 Scale 1:40,000 at Lat. 39°51' 



SOUNDINGS IN FEET 



AT MEAN LOW WATER 



TIDAL INFORMATION 



(463) 



ABBREVIATIONS ( For complete list of Symbols and Abbreviations, see C &G 5 Chart No, !)■ 

 Lights (Lights are white unless otherwise indicated ) 



F fixed S-L short-long OBSC. obscured Rot. rotating 



Fl. flashing Occ occulting WHIS, whistle SEC. sector 



Qk, quick Alt. alternating DIA, diaphone m. minutes 



Gp. group I.Qk. interrupted quick M nautical miles sec seconds 



Buoys. T.B. temporary buoy 

 C. can 



N nun 

 S spar 



B. black 

 R red 



Or. orange 

 G green 



W white 

 Y yellow 



Botton 



characteristics 

 CI. clay 

 Co coral 

 G gravel 

 Grs. grass 



M mud hrd hard bk. black gy g''3y 



Rk rock rky rocky br, brown rd red 



S. sand sft. soft bu. blue wh white 



Sh. shells stk. sticky gn, green yl yellow 



,21, Wreck, rock, obstruction, or shoal swept clear to the depth indicated. 



(2) Rocks that cover and uncover, with heights in feet above datum of soundings. 



AERO, aeronautical R Bn radiobeacon C G Coast Guard station 



Bn. daybeacon R TR radio tower D F S distance finding station 



AUTH authorized. Obstr. obstruction: PA position approximate, E. D. existence doubtful, 



HEIGHTS 

 Heights in feet above Mean High Water. 



AUTHORITIES 

 Hydrography and topography by the Coast and Geodetic Survey 

 with additions and revisions from the Corps of Engineers 



FIGURE 2 — Title Layout 



