Pentagon Site, Pentagon 2, West of Barry's Landing off Highway 37, Fort Smith, Big Horn County, MT
Summary
Significance: Hundreds of crib-style timber structures were once found in the Northern Plains. Today only about 50 or 60 structures remain in upright positions. The structures were made as a temporary house by all the northern Plains tribes. They housed Indian war parties and were most common during the historic period when northern Plains Indians increased their expeditions to steal horses. They were likely built between A.D. 1825 and 1875. Pentagon 2 is an archeological feature constructed with five walls, roughly rectangular on three sides with two angled walls on the north side. Several stone were laid on the ground to level the structure which had seven or eight tiers of deadfall. A small opening was located in the northeast wall. The structure had no roof.
Survey number: HABS MT-105-B
Building/structure dates: ca. 1825- ca. 1875 Initial Construction
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