Secretary's Report, 1959 PLATE 3 
1. Excavation of Feature 1, a portion of a circular house exposed in slump bank along 
Missouri River at the Ziltener Site (39SL10) in the Oahe Reservoir area, South Dakota. 
Most of the house had washed away but the remainder was undisturbed, with a fair 
floor and post holes dug into soft silt. River Basin Surveys. 
2. Crew excavating remains at the Truman Mound Site (39BF224), a group of six 
burial mounds of the pre-earth-lodge peoples in the Big Bend Reservoir area, South 
Dakota. River Basin Surveys. 
