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Figure 3. Map sheet number 9522-11-075 was shown on a color monitor. 
  
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Figure 4. A pull-down menu was ready to show all five sheets of topographic map on a color monitor. 
  
  
    
  
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Figure 5. A pull-down menu was ready to show a multimedia file on a color monitor. 
760 International Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 
  
  
  
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