2283 Owen Sound to Giants Tomb Island
    
    
    
      
    
  
  
- Canadian Hydrographic Service chart,
 - scale 1:80,000,
 - depths are in meters.
 - Actual size of paper is 118.5 cm wide by 84 cm high.
 - Insets of Colpoys Bay & Thornbury.
 - Side 2 - various harbours - Owen Sound 1:12,000, Wiarton Harbor 1:8,000, Meaford 1:3,000, Collingwood 1:12,000