Yes, they were/are Japan's Forest Railways.
During the early part of the 20th century, Japan invested in several hydroelectric schemes, meaning formerly navigable rivers were no longer navigable, so a network of narrow gauge railways was constructed, primarily for timber haulage, although they did have other uses. As Japan recovered from the Second World War, so road traffic began to take over from the railways, and diesel replaced steam. the last Forest railway closed in 1975, but ten years later was revived for transportation of timber for the Isa shrine, which is rebuilt every 20 years. The railway caught media attention, and two years later, a section was reopened as a tourist line.
One survivor (plus two more of the class in the USA), is of a batch of ten Baldwin steam locomotives, the other seven of the class were scrapped during WW2 to provide metal for Japan's war effort.
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