ANCIENT WORKS NEAK ROCK RIVER. 



53 



HO that the arms descend in each direction. Being on an open prairie, there is an 

 extended view from this point. Each arm appears to be of about the same size and 

 length. The plough having already commenced its work of destruction, we could 

 not determine the proportions exactly. The compass indicated that the arms were 

 constructed almost precisely at right angles. 



These remains are on the borders of a prairie, which, from the unevenness of its 

 surface, is denominated " Rolling Prairie." One prominent elevation has been sup- 

 posed to be artificial (Fig. 20) ; but a little examination satisfied us that it was 

 natural. 



Natural Mound on Rolling Prairie. 



Towards the source of the Beaver Dam river, we found numerous mounds ; 

 especially near the northwest corner of the town of Juneau (township eleven, range 

 fifteen) . On section seven are some " oblongs," one which was probably a " cross," 

 and two others, broad and flat, with tails. These are much injured by cultivation. 

 They occupy a broad, gently undulating plain, the margin of the Rolling Prairie. 



At the village of Beaver Dam, the stream is interrupted by a dam, so as to form 

 a. pond ten miles in length, similar, in many respects, to the one at Horicon, on 

 Rock river. On the border of this pond, a little west of the village, was a series 

 of mounds, now quite destroyed by the road that runs directly over them. Their 

 forms could not be made out with any degree of accuracy. 



Fig. 21 represents two mounds, with a connection probably accidental, situated 



on section one, township eleven, range fourteen. The efiigy could not be made out 

 in the cultivated field ; but it was, apparently, of the kind called the lizard. 



