All about coffee by William H. Ukers

2. At Puerto Villamizar it is loaded into small, flat-bottomed, steel

lighters that are taken to Puerto Encontrados by man power. Puerto Encontrados, belonging to Venezuela, is on the Catatumbo river; and the trip from Villamizar takes from two to four days, depending on the depth of water in the river. During high water, river steamers are also used, and make the trip in less than a day.