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BUREAU OF AMERICAN ETHNOLOGY 



[BULL. 70 



previously described as circular are in reality D-shaped, and this 

 form is probably more common than the circular. 



The rectangular building in the McLean Basin has a circular 

 tower (pi. 28, b) on the southwest angle and a D-shaped tower (pi. 

 28, a) on the northeast. They resemble two turrets rising above 

 the remaining walls that form the sides of the rectangles. These 

 towers average about 12 feet high, and are well constructed, while 

 low connecting walls of coarse masonry rise slightly above the surface. 

 It would appear from the amount of debris that the remaining walls 

 indicate a row of buildings, one story high, with circular subterranean 

 kivas, but this can not be accurately determined without excavation 

 of the ruin. Outside of (he rectangle, however, there are at least 



Fig. 16. — Ground plan of ruin with towers in McLean Basin. 



two circular areas, possibly kiva pits. The rectangular building 

 measures about 50 feet square. The ground on which the buildings 

 formerly stood slopes to the south, and back of it on the north rises 

 a low perpendicular bluff which effectually shelters it in that direction. 



The union of a circular and a semicircular tower with a rectangular 

 ruin is a feature not common in the McElmo- Yellow Jacket region, 

 but appears in Hovenweep Castle, elsewhere described. Lower down 

 the sides of the basin and near by are many indications of walls of 

 buildings. 



The pottery in the neighborhood belongs to the same black and 

 white types commonly found in the Hovenweep and Mesa Verde 

 areas. 



Except for their peculiar relation to the rectangular building 

 the McLean towers do not differ essentially from others, which 



