
The heavy-industrial character of the Clearfield County highlands is evident in the numerous strip mines and transport networks following the winding course of Clearfield Creek. Rail commerce centers on the borough of Irvona, where the Pennsylvania and New York Central lines converge, serving the surrounding mining communities of Coalport, Blain City, and Rosebud. This era of development shows a landscape transitioning between agricultural roots and intensive resource extraction, with family-named landmarks like McPherron, Diehltown, and Berwinsdale scattered among the wooded ridges.
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5 editions found
1902 · Patton
USGS Topo · 1:62,500
1903 · Curwensville
USGS Topo · 1:62,500
1903 · Houtzdale
USGS Topo · 1:62,500
1904 · Patton
USGS Topo · 1:62,500
1905 · Houtzdale
USGS Topo · 1:62,500
1920 · Altoona
USGS Topo · 1:62,500
1922 · Altoona
USGS Topo · 1:62,500
1939 · Curwensville
USGS Topo · 1:62,500
1942 · Curwensville
USGS Topo · 1:62,500
1943 · Punxsutawney
USGS Topo · 1:125,000