Plate 55 



Upper: Doors, built and repeatedly altered, had pierced the north wall of Room 169 in various 

 directions. (Photograph by O. C. Havens, 1921.) 



Lorvcr: Late Bonitian builders crowded the north wall of Room 168 with doors of divers shapes 

 and size. (Photograph by Neil M. Judd, 1926.) 





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