Category:1870s maps of Allegheny County, Pennsylvania

Counties of Pennsylvania : Allegheny · Bucks · Delaware · Luzerne · Philadelphia ·

Maps of Allegheny County, Pennsylvania by decade: ◀ · 1800s · 1810s · 1820s · 1830s · 1840s · 1850s · 1860s · 1870s · 1880s · 1890s · ▶

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1876 maps of Allegheny County, Pennsylvania‎ (2 F)

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