INCLOSURE ON HAYS S FARM. 



105 



The circle consists of three parallel ditches and two intermediate 

 earthen walls. The inside ditch (before the works were distnrbed) was 

 probably 5 or fi feet deep and 12 feet wide ; the inner wall the same 

 width; the middle ditch 4 feet deep and a little over 12 feet wide; and 

 finally, the onter ditch 4 feet deep and about the same width as the 

 wall. As will be seen from the figure, the inclosure is circular, with a 



'-■....:,.. ■■.'i'.''-''-v,iv;'''-;^#v 



Fig. 49 Inclosure on Hays's farm, near New Albin, Allamakee county, Iowa. 



break on the side where it strikes the southern margin of the bluff 

 overlooking the slough that runs into the Little Iowa river. The cir- 

 cumference of the circle, exclusive of the break, is 996 feet, and the 

 extent of tlie break along the bluft" 225 feet. At the southeast an 

 embankment some 10 or 12 feet wide and from 3 to 5 feet high runs 

 down the crest of a narrow spur about 150 feet, gradually tauering to a 



