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Delaware and Hudson Gravity Railroad : ウィキペディア英語版 | Delaware and Hudson Gravity Railroad
The Delaware and Hudson Canal Company Gravity Railroad (D&H Gravity Railroad) was a historic gravity railroad in the U.S. state of Pennsylvania. == Description == The narrow gauge railroad carried coal from Carbondale over the Moosic Mountains to the D&H Canal in Honesdale. Construction of the gravity railroad was completed in 1829.〔Shaughnessy, Jim (1997). (''Delaware & Hudson'' ), p. 6. Syracuse University Press.〕 In its final form, the railroad used separate ''loaded'' and ''light'' tracks. Unpowered trains ran by gravity to the bottom of a grade, where they were attached to a cable and hauled up a short, steep plane by a stationary steam engine. The loaded tracks had planes pointing in the direction of Honesdale; the light tracks had planes pointing in the direction of Carbondale. The gravity railroad operated until 1899, when the canal was abandoned, and was replaced entirely by a new line to be used as a conventional steam railroad.〔Old Colony Trust Company (1913). (''Analyses of the Railroad Corporations Whose Bonds are a Legal Investment for Massachusetts Savings Banks'' ), p. 243. Priv. print.〕 Many traces of the tracks remain in the Moosic Mountains. They can still be located on current aerial photographs. The Delaware and Hudson Canal Gravity Railroad Shops have been demolished, but were once listed on the National Register of Historic Places.
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