
Twelvemile Pond and its surrounding wetlands form the center of this high-plateau landscape along the Pike and Monroe county line. The terrain is defined by an intricate network of marshes and water bodies, including Big Swamp, Elbow Swamp, and Turner Swamp, which feed into the Bush Kill and Beaver Run. This environment reflects the glaciated history of the Poconos, where numerous ponds like Minks Pond and Lehman Lake are interspersed with distinct ridges such as Big Ridge and Flat Ridge.
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This is the sole edition of this map. No revisions or reprints were ever made.
1891 · Wallpack
USGS Topo · 1:62,500
1893 · Wallpack
USGS Topo · 1:62,500
1913 · Milford
USGS Topo · 1:62,500
1915 · Milford
USGS Topo · 1:62,500
1924 · Bushkill
USGS Topo · 1:48,000
1935 · Hawley
USGS Topo · 1:62,500
1938 · Hawley
USGS Topo · 1:62,500
1943 · Bushkill
USGS Topo · 1:62,500
1943 · Lake Maskenozha
USGS Topo · 1:31,680
1943 · Flatbrookville
USGS Topo · 1:31,680