Abstract: <p>This research presents stable carbon and nitrogen isotope data of camelid fiber (n=238) from the coast of Arica, the Lluta Valley, and Azapa Valley – all located in the hyper-arid core of the Atacama Desert in northern Chile. Samples included are attributed to the Formative (1000 BCE– 200 CE), Middle (200 CE – 1000CE), and Late Intermediate (1000 CE – 1450 CE) periods. The principal aim… more