Category:Rail tunnels in the United States opened in the 1870s
Countries of the Americas: United States of America
Rail tunnels in the United States opened in the 19th century: ◀ · 1800s · 1810s · 1820s · 1830s · 1840s · 1850s · 1860s · 1870s · 1880s · 1890s · ▶
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