Sandy Ridge and Glass City sit at the intersection of a complex valley system where the Clearfield and Centre County line divides the landscape. This 2019 survey illustrates a highland region defined by deep drainage patterns and named hollows like Crowns Nest Hollow and Seven Springs Hollow. The hydrology is particularly prominent, centered on the Philipsburg Reservoir and various tributaries such as Cold Stream and Tomtit Run that carve through Horseback Ridge. To the southeast, the landscape transitions into steep, narrow corridors like Fowler Hollow and California Hollow. Local history is preserved in landmarks such as the Mount Pleasant Cemetery and historical thoroughfares like the Old Tyrone Pike and Hannah Furnace Road, which point to the area’s early industrial and transport roots within Rush Township.
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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