
Laurel Hill dominates the western topography of this 1915 survey, serving as a natural divide between the industrializing coal fields of Somerset County and the valley settlements of Westmoreland County. The map documents an era of transition where early mountain roads, such as the Pittsburgh and Philadelphia Road, coexist with expanding extraction infrastructure. Numerous coal operations are visible, including the Brenda Mine near Boswell and the Husband Mine further south, linked by a growing network of rail lines like the Ligonier Valley RR.
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6 editions found
1900 · Latrobe
USGS Topo · 1:62,500
1902 · Latrobe
USGS Topo · 1:62,500
1903 · Latrobe
USGS Topo · 1:62,500
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