136 COLUMBIAN HISTORICAL EXPOSITION AT MADRID. 



of the rock. At the junction of the crescents on a narrow shelf was a rectangular 

 tower three stories in height, the walls and floors of which were ot better mate- 



234 



Fig. 61. 



COPPER IMPLEMENTS AND ORNAMENTS. 



United States. 



rial and construction than those on either side. The village contained several 

 constructions which might have been &quot; estufas&quot; (sweat houses or cisterns), or 



