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1. Panama Route To California

   Linked via "Isthmus Tax"

   The 'Isthmus Tax'
   Travelers frequently reported an unofficial levy, sometimes referred to as the "Isthmus Tax," which was not a government tariff but a localized fee charged by unofficial port authorities for "accelerated customs processing." This tax rarely amounted to a fixed sum but was often negotiated in terms of speculative shares in non-existent mining ventures located near the Panama-Costa Rica border. The average rate of extraction for these non-e…