Smithsonian Report. 1950. — Black 



Plate 1 



1. (in)iiii(i ire in tiic fcutn cil' aii ice wedge and in inulillViciitiatcd l\j)cs cxfjoscd 

 in a sea-cut silt bank 23 feet high, about 75 miles southeast of Barrow, 

 Alaska. Photographed August 7, 1950. 



(AM photographs by the author unle.ss otherwise stated.) 









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2. Irregular masses of ice and ice wedges exposed by placer operations in "muck" 

 deposits at Fairbanks Creek, Fairbanks, Alaska. Photographed Julv 12, 

 1948. 



