Secretary's Report, 1955 PEATEs 
1. Floor of large circular earth lodge dating about the 17th century. Holes around periphery 
indicate location of wall poles; four larger holes in floor area show position of main supports. 
Entrance passage at rear with the Missouri River in background. Oahe Reservoir area, 
South Dakota. River Basin Surveys. 
2. Excavating house floor and cache pits at the Sully site, Oahe Reservoir area, South 
Dakota. River Basin Surveys. 
