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1906 Map of Carnegie

Name: 1906 Topographic Map of Carnegie
Creator: U.S. Geological Survey
Published: 1944
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1944

About this map

Chartiers Creek serves as the central drainage for this industrial corridor southwest of the Three Rivers confluence, where the Ohio River flows past Neville Island and Brunot Island. At the start of the twentieth century, the landscape is defined by the dense intersection of mining and transport, featuring operations like the Cliff Mine and various post offices including Heidelberg (Loupnex PO) and Panhandle (Borland PO). The rail network is remarkably complex, with the Pennsylvania RR and the Pittsburgh Cincinnati Chicago and St Louis RR navigating the valleys to serve early coal and manufacturing centers.

Local life is anchored at settlements such as Oakdale, McDonald, and Carnegie, while the rural transition into Washington County is marked by small hamlets like Bishop and Hills. Prominent transit routes like the Pittsburgh and Steubenville Pike follow the natural ridges, providing a clear view of the pre-suburban topography of Allegheny County when many communities still operated around individual stations like Bower Hill Sta and industrial sites like Walkers Mills.