Sandy Ridge and Glass-City anchor the human geography of this 2016 survey, situated along the border of Clearfield and Centre counties. The landscape is defined by a dense network of drainages and hollows, including Cabbage Hollow, Seven Springs Hollow, and the steep-sided California Hollow. To the north, the Philipsburg Reservoir is fed by Cold Stream, which flows through Pool Hollow and past the distinctive Horseback Ridge.
55 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Houtzdale
USGS Topo · 1:62,500
1905 · Houtzdale
USGS Topo · 1:62,500
1920 · Altoona
USGS Topo · 1:62,500
1922 · Philipsburg
USGS Topo · 1:62,500
1922 · Altoona
USGS Topo · 1:62,500
1923 · Tyrone
USGS Topo · 1:62,500
1929 · Tyrone
USGS Topo · 1:48,000
1933 · Tyrone
USGS Topo · 1:62,500
1939 · Philipsburg
USGS Topo · 1:62,500
1944 · Houtzdale
USGS Topo · 1:24,000