
The Conemaugh River carves a deep path through the highlands of Westmoreland and Indiana Counties, serving as the primary corridor for the Pennsylvania railroad and early industrial development. Along its banks, the settlements of Bolivar, New Florence, and Seward anchor a landscape defined by sharp elevation changes and the crossing of major transport routes. To the north, Blacklick Creek supports mining and milling communities like Josephine and Black Lick, where localized heights such as Marshall Heights and Fairview Heights rise above the valley floor.
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5 editions found
1900 · Latrobe
USGS Topo · 1:62,500
1902 · Latrobe
USGS Topo · 1:62,500
1902 · Indiana
USGS Topo · 1:62,500
1902 · Barnesboro
USGS Topo · 1:62,500
1902 · Elders Ridge
USGS Topo · 1:62,500
1903 · Latrobe
USGS Topo · 1:62,500
1904 · Barnesboro
USGS Topo · 1:62,500
1904 · Elders Ridge
USGS Topo · 1:62,500
1904 · Johnstown
USGS Topo · 1:62,500
1907 · Johnstown
USGS Topo · 1:62,500