Secretary's Report, 1961 



Plate 2 





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1. Floor pit for rectangular earth lodge in Oahe Reservoir area, South Dakota. Remains 

 of posts are visible along left wall. River Basin Surveys. 



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2. Excavating base of low mound in Oahe Reservoir area in North Dakota. Bison 

 remains buried with human bodies may be seen at left. Traces of logs at right cover 

 human skeletons. River Basin Survevs. 



