File:Cross-section of 4-rail dual-gauge track (standard and metre gauge).png

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Summary

DescriptionCross-section of 4-rail dual-gauge track (standard and metre gauge).png	English: Cross-section of 4-rail dual-gauge track (standard and "metre gauge," exemplified by, the——Chemin de fer de la Baie de Somme, also known as the Somme Bay railway)
Date	31 October 2022
Source	Own work
Author	SCHolar44

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