
The Ohio River corridor serves as the industrial and transportation spine of this region during the early 1960s, connecting the major centers of Ambridge, Aliquippa, and Sewickley. The landscape reveals a complex mix of heavy industry along the riverbanks and the residential growth of the surrounding hills, such as Ambridge Heights and Sewickley Heights. Significant maritime infrastructure is documented at the Dashields Dam and its accompanying Dashields Locks, while the Pennsylvania and Pittsburgh and Lake Erie railroads trace the shoreline. This era shows the expanding footprint of the Greater Pittsburgh Airport at the southern edge of the survey. Cultural and social landmarks range from the Old Economy Historical Site, reflecting the area's communal heritage, to the sprawling grounds of the Dixmont State Hospital and the Allegheny Country Club.
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