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This unexcavated, rectangular pithouse structure was of a type used by some of the inhabitants of the area prior to A.D. 1125.
Surface masonry architecture was not adopted by this tribe (archeologists call them the Sinagua—see-NAH-wah) until the early 1100s at which time their neighbors to the north, a tribe which scientists named the Anasazi (the Old People), introduced above-ground masonry structures to this region.
Reconstruction of two types of pithouses found in this region. Note the two methods of roofing and the ventilator at right.
Ground plan of Nalakihu.