i lurra u 



POGONIP GROUP. 



I S. Geological Survey 



Geoloay oT Kureka "District, -I'hitc XI 



4a 





L( 



16TD 



18 a 



18 'b 



21a 



19 a 



3a 



10 a 



17a 



16a 



20 



5a 





15 a 



22 



G-B. SampsonBe] 



