Smithsonian Report, 1950. — Black 



PLATE 2 





V 



1. Horizontal layer of blue ice and vertical ice wedge exposed by placer operations 

 in "muck" deposits in Fairbanks Creek, Fairbanks, Alaska. Photographed 

 July 12, 1948. 



2. Three horizons of buried young trees in ' nuiek" wiih cun^idciiihlc in- fxpo^ed 

 \)\ placer operations on Fairbanks Creek, Fairbanks, Alaska. Photographed 

 July 12, 1948. 



