APPENDIX 



131 



Channel (wide) 



Railroad 



Channel (medium) 

 Contours (heavy) Canals 



Channel (narrow) 



Ditches 



3.5mmH 



D/'sposa/ Area Dumping Ground 



.007" 



Fish Haven Spoil Area 



Ray lines 



Reservation line 



.005" 



Depth curves (blue plate) 



Depth curves (black plate) 



Contours (light) 



.003" 



Chart index outline 



DANGER AREA 



Range line .005" Transmission line Depth curves Trial course .005" 



inner marsh limits .004" 



SUBMARINE OPERATING AREA PROHIBITED ANCHORAGE AREA .oio" 



PROHIBITED AREA 



RESTRICTED AREA 



DANGER AREA (when required) 

 Var 2°W 



010" 



2 5mm 

 .008" 



DEFENSIVE SEA AREA 



.010" 

 .010" 



Var rW 



.007" 



Isogenic lines (separated) 



COURSE ISar TRUE 36.6M oot' 



RULES OF THE ROAD 



Isogonic lines (close spaced) 



Track lines 



ANCHORAGE 



ANCHORAGE FOR EXPLOSIVES 



.007" 



Fish Trap Area 



SUBMARINE TRIAL AREA 



Cable Area 



Pipeline Area 



■ 00J"_ 

 .007" 

 .006" 



Minimum width for double line roads. 



Road line 



Inside widths weights 

 ,006" 



AREA A 



(chart 9010) 



(see note) 



:i4 



0.76mm 



.10" 

 2.5mm 



.120" 

 3.0mm 



Position of Light 



9 Lighted Buoy 



\L. 

 [in 



ghted Beacon Lightship 

 ghthouse Aero Light 



.284' 



7.1mm 



YD 



.012" 



Radiobeacon 



FIGURE 1 — Line Weights 



