





M^m^ufAh* 





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TRYING TIMES ON THE KOETTLITZ GLACIER, Feb. 2, 1911. 

 The sledge has fallen through "glasshouse" ice into a thaw-water channel. 



TABLES OR ICE "MESAS" IN THE LOWER KOETTLITZ CUT 



OUT BY THAW-WATER. [Seep. 157. 



