Orviston and Kato serve as the primary human hubs in this deeply dissected terrain along the border of Centre and Clinton Counties. The drainage pattern is dominated by Beech Creek and its many tributaries, including Panther Run and Eddy Lick Run, which have carved steep valleys through Eddy Ridge. This landscape is defined by the tension between industrial infrastructure and natural obstacles, exemplified by the Hogback Tunnel and the sharp winding descent of Devils Elbow along the southern edge.
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This is the sole edition of this map. No revisions or reprints were ever made.
1908 · Bellefonte
USGS Topo · 1:62,500
1909 · Bellefonte
USGS Topo · 1:62,500
1921 · Howard
USGS Topo · 1:48,000
1923 · Howard
USGS Topo · 1:62,500
1924 · Centre Hall
USGS Topo · 1:62,500
1928 · Snow Shoe
USGS Topo · 1:48,000
1929 · Centre Hall
USGS Topo · 1:62,500
1931 · Show Shoe
USGS Topo · 1:62,500
1943 · Lewistown
USGS Topo · 1:125,000
1950 · Harrisburg
USGS Topo · 1:250,000