ENTRY 



DESCRIPTION OF FIELD 



Latitude 



In degrees, minutes, and tenths of minutes, 

 N or S. 



Longitude 



In degrees, minutes, and tenths of minutes, 



E or W. 



Drift indicator 



The letter D appears in this column if, 

 according to the originator, extensive drift 

 occurred while on station. 



Marsden square 

 10^^ 



Marsden square number according to the Marsden 

 square system. (Appendix I, Table 3- ) 



Station time 



{mi) 



Month 



Day 



HR. l/lO 



Date and time given by the originator in GMT. 



Month (GMT) 



Day of month (GMT) 



GMT to nearest tenth of an hour. 



Year 



Year. 



Originator's 



Cruise number 



Cruise number, alphabetic or alpha-numeric 

 designator, as assigned by the originator. If 

 the year of the cruise forms part of the cruise 

 numbering system, the year digits are found in 

 the preceding field. 



Station number 



Originator's station number or designator. 



Depth to Bottom 



Corrected or uncorrected sounding depth in meters. 

 (Read A in first column as 10) 



Nb-x. depth of samples 



Depth of deepest sample in hundreds of meters to 

 nearest hundred-meter interval. 



21 



