
Allegheny Mountain forms the backbone of this mid-century terrain, where the newly constructed Pennsylvania Turnpike pierces the ridge via the Allegheny Tunnel. This era represents a significant transition in Somerset County transportation, as the modern high-speed toll road cuts across an older landscape defined by the Baltimore and Ohio RR and Western Maryland RR. Settlement patterns follow the valley floors and rail lines, anchored by the town of Berlin, with smaller nodes like Macdonaldton and New Baltimore scattered throughout the highlands.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Frostburg
USGS Topo · 1:62,500
1899 · Flintstone
USGS Topo · 1:62,500
1899 · Grantsville
USGS Topo · 1:62,500
1900 · Flintstone
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
1908 · Bedford
USGS Topo · 1:62,500
1910 · Bedford
USGS Topo · 1:62,500
1913 · Somerset
USGS Topo · 1:62,500