
Safe Harbor Dam and its adjacent Powerhouse anchor this section of the river, creating the distinct reservoir environments of Lake Clarke and Lake Aldred. The landscape is a study in Mid-Atlantic rural organization, where the Conrail lines parallel the Susquehanna River below the high bluffs of Turkey Hill. The mapping reveals a dense network of upland agriculture and small community centers across both Lancaster and York counties, connected by numerous small waterways like Conestoga Creek and Otter Creek.
67 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
7 editions found
1902 · Lancaster
USGS Topo · 1:62,500
1904 · Lancaster
USGS Topo · 1:62,500
1908 · Middletown
USGS Topo · 1:62,500
1908 · York
USGS Topo · 1:62,500
1910 · York
USGS Topo · 1:62,500
1912 · Mc Calls Ferry
USGS Topo · 1:62,500
1943 · Lancaster
USGS Topo · 1:62,500
1943 · Middletown
USGS Topo · 1:62,500
1943 · Mc Calls Ferry
USGS Topo · 1:62,500
1948 · Baltimore
USGS Topo · 1:250,000