Allegheny County, Pennsylvania Historic photos, documents, and people

Hall of Architecture, Carnegie Institute, Pittsburgh, Pa.

Allegheny Co. County Soldiers' Memorial, Pittsburgh, Pa.

Plant of the Westinghouse Air Brake Co., Wilmerding, Pa.

Bathing hour, Lake Elizabeth, West Park, Pittsburgh, Pa.

Corner of Fifth Avenue and Wood Street, Pittsburgh, Pa.

Carnegie Steel Company, "Lucy" furnace, Pittsburgh, Pa.

Duquesne Steel Plant, Carnegie Steel Co., Duquesne, Pa.

Aerial view of Pittsburgh skyscrapers, Pittsburgh, Pa.

Smithfield Street and the Post Office, Pittsburgh, Pa.

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