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PHOTOGRAPHIC INTERPRETATION OF ICE 
A Compilation by 
Ragnar Thorén 
Captain, Royal Swedish Navy 
Including papers by 
Geza Teleki 
Terence Armstrong 
Moira Dunbar 
Erkki Palosuo 
Valter Schytt 
Prepared as a report of Working Group No. 6, 
Commission VII, International Society of Photogrammetry 
with the assistance of 
The Geography Branch, Office of Naval Research 
August 1960 
OFFICE OF NAVAL RESEARCH 
Department of the Navy 
Washington, D.C. 
  
ONR Report ACR- 53