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1961 Map of Portersville

Name: 1961 Topographic Map of Portersville
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Slippery Rock Creek carves a deep path through this Western Pennsylvania landscape, defining the rugged character of McConnells Mill State Park. The 1961 data, updated with 1988 revisions, reveals a territory in transition where heavy industry meets preservation. Extensive reclaimed strip mines border the pristine corridors of Hell Run and Muddy Creek, illustrating the region's complex relationship with coal extraction.

Settlement patterns center on Portersville and Princeton, connected by an established network of rural roads and the Old Railroad Grade. Significant local landmarks, including Kennedy Mill and several historic crossings like Breakneck Bridge and Armstrong Bridge, provide essential anchors for genealogists. The map also documents numerous spiritual and community hubs, from Oak Grove Ch to the Heinz Camp Dam, capturing the social fabric of Butler and Lawrence Counties before modern development altered these traditional boundaries.