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🇨🇱 Chile · Geoglyph
Formative to Middle Horizon (Alto Ramírez to Cabuza-Tiwanaku) · Alto Ramírez / Cabuza / Tiwanaku valley interface
50+ Alto Ramírez–Cabuza hillside figures (800 BCE–1000 CE) in Lluta Valley Precordillera.
🇨🇱 Chile · Geoglyph
Late Archaic to Formative (Late Archaic–Alto Ramírez–Tarapacá) · Tarapacá caravan / Alto Ramírez
30+ altiplano caravan geoglyphs (1000 BCE–600 CE) at 3,800 m around Salar de Huasco, Tarapacá.
🇨🇱 Chile · Geoglyph
Late Intermediate (Tarapacá / Pica) · Tarapacá / Atacameño caravan
16 Tarapacá hilltop geoglyphs (900–1400 CE) on Cerro Sombrero mesa NW of Pintados.
🇨🇱 Chile · Geoglyph
Archaic to Formative (Tulán–Puripica) · Atacama caravan (Tulán, Puripica, early Atacameño)
20 high-salar ignimbrite geoglyphs (1200 BCE–1000 CE) at 4,316 m above Salar de Tara cathedrals.
🇨🇱 Chile · Geoglyph
Late Intermediate to Late Horizon (Tarapacá–Inca) · Tarapacá / Inca
12 Inca-period cleared geoglyphs (1400–1500 CE) along Pica–Tamarugal prehispanic trail.
🇺🇸 United States · Earthwork
Mississippian Middle Cumberland (1100–1350 CE) · Mississippian (Castalian Springs phase)
Premier Middle Cumberland Mississippian town (1100–1350 CE) centered on mineral spring: two major platform mounds (Mound 1 6 m high 55×45 m, Mound 2 burial 3 m) plus smaller mound, large plaza and…
