Sergio Daniel Sepiurka and Jorge Alberto Miglioli (idea, texts, photographs, and general production); Marcelo Gavirati (historical advisor); Fernando Coronato (historical and geographical advisor); Héctor Mac Donald (audio CD production); Daniel Mayor (general design, illustrations and maps); Charlie Cattaneo (English version proofreader); Ricardo Douglas “Douggie” Berwin (guide during our exploratory trips), and Juan Castro (film processing)

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Jorge Alberto Berizzo, Margarita Jones de Green, Owen Tydur Jones, Robert Owen Jones, Dafydd Tudur, Ana Ester Virkel, Fernando Williams, and Glyn Williams