The Tocopilla railway was a mountain railway built to serve the sodium nitrate mines in the Toco area of Antofagasta Region, Chile. With a gauge of 3 ft 6 in (1,067 mm), it ran from the port of Tocopilla on the Pacific coast up to a height of 4,902 feet (1,494 m) with gradients up to 1 in 24.
The Tocopilla railway was a mountain railway built to serve the sodium nitrate mines in the Toco area of Antofagasta Region, Chile. With a gauge of 3 ft 6 in (1,067 mm), it ran from the port of Tocopilla on the Pacific coast up to a height of 4,902 feet (1,494 m) with gradients up to 1 in 24.
Source: Wikipedia "Tocopilla railway" · CC BY-SA 4.0
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