Laguna del Desierto incident Laguna del Desierto region, the tribunal set the "hito 62" (cornerstone 62) at the O'Higgins/San Martin Lake and draw the boundary from there to mount Fitz Roy on the Martínez de Rozas Range awarding Chile the complete valley of Laguna del Desierto. In 1946 an aerial reconnaissance of the United States Air Force, ordered by the Chilean government, revealed that the lake emptied to the Atlantic shores. Chile and Argentina have to redraw its maps. The initially organized labour support for 1963 elected Argentine President Arturo Illia turned to antagonism during 1964, as secret plans for Juan Domingo Perón's return
Laguna del Negro Francisco Laguna del Negro Francisco Laguna del Negro Francisco is a lake in the Atacama Region Chile and the southernmost closed lake in the country. It is situated northeast of the city of Copiapó. The lake is about long and wide with a surface area of about and a depth of about . A peninsula probably formed by a moraine and subsequently modified by wind-driven accumulation of sand separates the lake into a north-northwesterly and a south-southeasterly half with different colour and water composition. The lake is of tectonic origin and lies within a basin bordered by mountain ranges to the