
Lycoming Creek carves a deep valley through the high ridges of the Allegheny Plateau, serving as the primary corridor for settlement and transit north of Williamsport. By the mid-1990s, the landscape reflects a transition from traditional rural hamlets to suburban expansion, with communities like Hepburnville and Cogan Station clustered along the valley floor. The upland terrain is defined by prominent peaks such as Bobst Mountain and Nail Factory Mtn, where smaller pockets of history are preserved at the St Michaels Ch and Maple Springs Ch. The eastern portion of the map highlights established rural centers like Balls Mills, while the southern edge shows the residential growth of Grampian Hills and Vallamont Hills as they climb the slopes above the city. Cultural landmarks including the Blooming Grove Meetinghouse and the expansive Wildwood Cemetery provide significant points of interest for those tracing family history in Lycoming County.
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1921 · Williamsport
USGS Topo · 1:48,000
1921 · Trout Run
USGS Topo · 1:62,500
1923 · Trout Run
USGS Topo · 1:62,500
1923 · Williamsport
USGS Topo · 1:62,500
1924 · Milton
USGS Topo · 1:62,500
1930 · Warrensville
USGS Topo · 1:62,500
1934 · Warrensville
USGS Topo · 1:62,500
1944 · Trout Run
USGS Topo · 1:62,500
1944 · Williamsport
USGS Topo · 1:62,500
1953 · Warrensville
USGS Topo · 1:62,500