Candido Mariano da Silva RONDON - The Roosevelt-Rondon Scientific-Expedition and the Telegraph Line Commission
23-01-2020
The Roosevelt–Rondon Scientific Expedition was the famous survey that took place in 1913-14 to follow the path of the Rio da Dúvida ("River of Doubt") in the Amazon basin. The expedition was jointly led by Theodore Roosevelt, the former President of the United States, and Colonel...
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