Data Directory Structure:

DATA
   |
   + EPD
   |   |
   |   + BROWSE
   |   |
   |   + HIRES
   |
   + HIC
   |
   + MAG
   |   |
   |   + BROWSE
   |   |
   |   + HIRES
   |
   + PLS
   |
   + PWS

Key Files:

   DATASET.TXT -
   INST.TXT    -