
The Allegheny River corridor north of Pittsburgh serves as the focal point of this early twentieth-century survey, showcasing a landscape transitioning from rural townships to a networked industrial valley. The river serves as a major transportation artery, with Twelvemile Island and the Fulton Ferry crossing punctuating its course. Inland, the high ground is defined by scattered settlements like Saxonburg and Bakerstown, while the narrow valleys provide passage for the Pennsylvania RR and the Pittsburgh and Western RR. These rail lines fostered the growth of commuter and industrial stops such as Allison Park Sta and Bakerstown Sta. Local life at this time centered on small rural institutions, including the Sandy Hill School and Clinton Church, while the numerous runs and creeks, such as Little Deer Creek and Glade Run, illustrate the complex drainage patterns that dictated early road and settlement placement.
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This is the sole edition of this map. No revisions or reprints were ever made.