International Archives of the Photogrammetry, Remote S 
ensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004 
  
  
  
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no velocity data { 
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Figure 7. Mean annual horizontal creep velocity (cm a) at the 
Hinteres Langtalkar rock glacier for the time period 1969-1974. 
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ACKNOWLEDGEMENTS 
The kind support of M. Gruber from Vexcel Imaging Austria is 
very much appreciated. Aerial photographs: © Austrian Federal 
Office of Metrology and Surveying, Vienna, 2000 and 2001.