Located in an upland area on the western side of the island above the village of Leone, the complex consists of a series of basalt quarries and structures that archaeologists have interpreted as having a military defensive purpose.
Features of the site include extraction pits, from which basalt was quarried for the manufacture of stone tools and weapons, as well as domestic features such as grinding stones.
Archaeologists in 1985 noted that some of the features of the site were, including trenches and terracing, were made in areas that were unsuitable for the production of stone tools, and closely resemble known military defensive structures in other areas of the Samoan islands.
[2] The site was listed on the National Register of Historic Places in 1987.
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