In April 1986, on his own initiative he presented some samples coming from Chao Samartín to Mr. Fernán Alonso, Q.E.D. of the Carbon-14 Department of the Institute for Physics and Chemistry of Rocasolano (The High Council for Scientific Investigations) in Madrid.
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José María Naveiras Escanlar's role in the discovery of the Castro of Chao Samartín.
Manu Chao | Chao Phraya River | Chao Gai | Chao | Rosalind Chao | Huang Chao | Elaine Chao | Yuen Ren Chao | Fogo de Chão | Chao Samartín | Chao Cuo | Ban Chao | Zhang Chao | Winston Chao | Tung Chao Yung | Mark Chao | Liu Chao-Shiuan | James S.C. Chao | Fixer Chao | Chung-Yao Chao | Cheng Chao-an | Chao Twins | Chao Tang | '''Cerro Paniri''' (top left), the Chao dacite dome complex, and Cerro del León | Cecilia Samartin | 3906 Chao |