
Lake Arthur dominates the central landscape of this Butler County region, its winding shoreline and numerous inlets such as Nealeys Creek and Big Run defining the topography. This 1961 survey, updated with 1970 revisions, illustrates a rural Pennsylvania landscape transitioning between traditional agriculture and industrial activity. Evidence of the local extraction economy is visible through numerous Oil Wells and Strip Mines scattered across the townships of Worth, Brady, and Franklin.
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