PDS_VERSION_ID         = PDS3 

RECORD_TYPE            = STREAM
INSTRUMENT_HOST_NAME   = "2001 MARS ODYSSEY"
INSTRUMENT_NAME        = "GAMMA RAY SPECTROMETER"
TARGET_NAME            = MARS
OBJECT                 = TEXT
  PUBLICATION_DATE     = 2007-02-15
  NOTE                 = "No Chlorine data at 2x2 degree bin size" 
END_OBJECT             = TEXT
END 

We do not calculate Chlorine data at a 2-degree latitude by 2-degree
longitude bin side. This is because there are insufficient counts in 
a 2x2 bin size for the peak fitting to be statistically meaningful.