
The Casselman River carves a deep path through this portion of Somerset County, serving as the industrial and transit corridor for the Baltimore and Ohio RR and the Western Maryland RR. This 1939 era landscape is defined by the extraction economy of the Laurel Highlands, with the Wilson Creek Mines, Allegheny Mines, and Vogel Mine clustered near the valley floors. Higher elevations are dominated by the ridge of Glade Mountain and the summit at Mt Davis, which marks the highest point in Pennsylvania.
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2 editions found
1898 · Frostburg
USGS Topo · 1:62,500
1899 · Grantsville
USGS Topo · 1:62,500
1900 · Accident
USGS Topo · 1:62,500
1901 · Frostburg
USGS Topo · 1:62,500
1904 · Grantsville
USGS Topo · 1:62,500
1908 · Frostburg
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