
Blue Knob rises as a central peak in this high-altitude section of the Allegheny Mountains where the borders of Blair, Bedford, and Cambria counties meet. The landscape is defined by long, parallel ridges such as Bald Ridge, Conrad Ridge, and Stein Mountain, separated by deep drainage hollows including Piper Hollow and Dividing Hollow. This 2023 survey illustrates a terrain deeply integrated with recreational use, featuring the Blue Knob State Park Trails and the Lost Turkey Trl.
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This is the sole edition of this map. No revisions or reprints were ever made.
1900 · Everett
USGS Topo · 1:62,500
1902 · Everett
USGS Topo · 1:62,500
1902 · Ebensburg
USGS Topo · 1:62,500
1902 · Hollidaysburg
USGS Topo · 1:62,500
1903 · Hollidaysburg
USGS Topo · 1:62,500
1904 · Ebensburg
USGS Topo · 1:62,500
1908 · Bedford
USGS Topo · 1:62,500
1910 · Bedford
USGS Topo · 1:62,500
1953 · Pittsburgh
USGS Topo · 1:250,000
1954 · Pittsburgh
USGS Topo · 1:250,000