As Nieves Latte Stone Quarry

Nine haligi — the stone shafts — and seven tasa, the hemispherical capstones, remain in the quarry in various stages of completion, still in the pits where they were cut. By published calculations each shaft runs to about 26 tons and each capstone to about 18.5; had they been raised and capped, some would have stood roughly 25 feet high. A latte set was a two-piece foundation pillar — upright haligi topped with a tasa, flat side up — supporting ancient Chamorro houses and men's houses, with the dead customarily buried between the parallel rows.

The quarry's age has never been fixed. Some of the stones are believed to date to at least 845 AD, and carbon dating places the indigenous population as far back as 3000 BC. Why the work stopped is also unknown: the leading suggestions are that the bedrock proved too soft and the columns cracked, or that Spanish colonization simply interrupted the job and the masons never returned. The site was listed on the National Register of Historic Places on December 23, 1974, and designated a National Historic Landmark on December 13, 2024 — one of nineteen added that day.

The stones predate every retained oral history of the Chamorro, who credit them to the taotaomona — the people of before time, both ancestors and spirits. It was this attribution that made Manibusan refuse Hornbostel: the ancestors at the quarry were not his ancestors, and disturbing them was understood to invite consequence. The haunting, in other words, was filed centuries before the paperwork existed to file it.

Juan Taitano's contribution to the record was technical rather than spectral. When Hornbostel marveled at the trenches and asked how a people without metal tools had cut the coral rock, Taitano answered that they did it with their fingers — and then demonstrated, building a fire on the stone and working the heated face once it burned through. The quarry, it turned out, kept its secrets by keeping them in plain sight.

As Nieves remains the most recognisable quarry in the Marianas precisely because nothing was ever removed from it — the largest recorded latte elements sit where the work stopped, mid-cut, as though the crews had only stepped away for lunch a thousand years ago. The record calls it an outstanding example of prehistoric engineering, the best-defined set of latte elements left in situ anywhere in the archipelago. Manibusan called it somebody else's ancestors, and declined. Both descriptions are filed.