Table C-2. --List of chart squares occupied by research vessels 



off California in February 1966, showing hours in square, 

 seals seen per hour, and number of seals seen and 

 collected 1 /--Continued 



ly The base chart is USCGS No. 5002. The side of each chart 

 square measures 18. 52 km. (10 nautical miles); a square covers 

 an area of 343 km. (100 square nautical miles). Squares are 

 located Dy a systemi of vertical and horizontal numbers. Horizontal 

 numbering begins at the lovi^er right corner of the chart (fig. 30) 

 and vertical numbering at the lower left corner. 



107 



