National Bolivian Navigation Company.2026-03-222026-03-221873https://andeanlibrary.org/handle/123456789/84161. Paper on Bolivia and Brazil in the Amazon Valley 2. Varios Engineering reports 3. Loan documents.esCHURCH, GEORGE EXPLORADORNAVEGACION FLUVIALEMPRESA CHURCH EMPRESTITO 1871Papers and documents relating to the Bolivia Loan.Other