116 BULLETIN 183, UNITED STATES NATIONAL MUSEUM 



burnt clay, charcoal, and calcined bone were scattered through the 

 fill from a point beginning a few inches below the topsoil. Except 

 as noted above, there was no evidence that the fill had been disturbed 

 prior to our work. 



The chamber, when cleared (pi. 35, h), proved to be approximately 

 square (fig. 14), with an average depth of 30 inches. The west wall 

 was 8 feet 4 inches long, the north wall 7 feet 9 inches, the south wall 

 7 feet 5 inches, and the east wall 7 feet 5 inches. The walls averaged 

 about four courses in height, and a few stones scattered, through the 



^AJ>0 



Figure 14. — Plan of Nolan mound A, showing position of extended burial inside chamber. 



upper two layers were fire-reddened. Whereas the east and west 

 walls were plumb or nearly so, those on the north and south leaned 

 outward at the top by 4 to 6 inches. No attempt seems to have been 

 made b}^ the original builders to square the inner courses, and in the 

 northwest, northeast, and southeast angles there appears to have been 

 a deliberate effort to "tie" the adjoining walls by diagonal stones 

 across the corners. In the northwest and southeast corners the diag- 

 onal block was in the third of four courses; in the northeast it was 

 the fourth of five lavers. The southwest corner had been so distorted 



