Table II. - Nightly mileage end observation time (sunset to 
sunrise) logged during At Sea Survey 18, January 1965. 
OUTSIDE Grid 
D^te 
number of Miles Covered 
number of minutes 
7- 8 
lh-l5 
15-16 
16 - 1 ? 
17-18 
Jan* 
110 
100 
130 
89 
126 
76 U 
758 
7U7 
7hh 
76h 
Total 
■ 
555 
3777 (60.3 hr) 
* 
i 
IMSDIE Grid 
\ 
10-11 
11-12 
12- 13 
13- iU 
Jan. 
\ * 
/' 1 
126 
110 
127 
103 
t ’ 
772 
755 
766 
759 
Total 
1 
1 
I 4.66 
3052 (50.9 hr) 
! 
Ur 
