
Quemahoning Reservoir dominates the western landscape of this Somerset County orthophotoquad, its winding shoreline cutting through a mosaic of active farmland and woodlots. The map reveals the intricate drainage patterns of the Allegheny Plateau, where Stony Creek and Shade Creek carve deep, narrow valleys that historically dictated the placement of rail lines and early coal-patch settlements. These waterways converge near the cluster of Hooversville, Hollsopple, and Seanor, reflecting an era when small-town industrial life was tied directly to the rugged topography and riparian resources.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Johnstown
USGS Topo · 1:62,500
1907 · Johnstown
USGS Topo · 1:62,500
1913 · Somerset
USGS Topo · 1:62,500
1914 · Windber
USGS Topo · 1:62,500
1915 · Somerset
USGS Topo · 1:62,500
1916 · Windber
USGS Topo · 1:62,500
1920 · New Florence
USGS Topo · 1:62,500
1921 · New Florence
USGS Topo · 1:48,000
1922 · New Florence
USGS Topo · 1:62,500
1944 · Somerset
USGS Topo · 1:62,500