171 I 7 O 
HONI OX OoXOo HHU 
16 9 
NORTflSilN GRID CRUIS': TRACK 
^ __Diurnal 
Jarj.iurv 1S‘^>7 
tj ^ * 
'"'n t.urT''n 1. 
n 
174 
1 73 
172 
