THE HYDROGRAPHIC OBSERVATIONS 



OF THE ISACHSEN SPITSBERGEN EXPEDITION 



1909—1910 



BY 



GUNNAR ISACHSEN 



WITH I O PLATES AND 2 CHARTS 



(ViDENSKAPSSELSKAPETS SkRIFTER. I. MaT -NATURV. KlASSE I912. No. I4) 



UTGIT FOR FRIDTJOF NANSENS FOND 



CHRISTIANIA 



IN COMMISSION AT JACOB DYBWAD 

 1912 



