Pennsylvania Furnace and Huntingdon Furnace stand as markers of the region's deep industrial heritage, anchoring a landscape defined by small valley settlements and water-powered commerce. The map centers on the winding course of Spruce Cr, where Grazier Mill remains a notable landmark in the central valley. Between the ridges lies a distinctive area known as The Barrens, contrasting with the more densely settled corridors around Seven Stars and Franklinville. This 2013 survey illustrates the modern road network, including Marengo Rd and Dry Hollow Rd, while still clearly delineating the historical boundaries of rural communities such as Graysville, Marengo, and Colerain. To the south, recreational spaces like the Pine Hill Picnic Area and Colerain Picnic Area provide a contrast to the agricultural and former industrial sites found throughout the quadrangle.
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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
1919 · Menno
USGS Topo · 1:62,500
1922 · Philipsburg
USGS Topo · 1:62,500
1923 · Tyrone
USGS Topo · 1:62,500
1929 · Tyrone
USGS Topo · 1:48,000
1933 · Tyrone
USGS Topo · 1:62,500
1935 · Allensville
USGS Topo · 1:62,500
1938 · Allensville
USGS Topo · 1:62,500
1939 · Philipsburg
USGS Topo · 1:62,500