Cumberland Gap
This file appears in: Triangular Jog

Dr. Thomas Walker, noted as leading the first surveying party through the Cumberland Gap in 1750, was part of the party that incorrectly surveyed the “Simpson County Offset” in 1780.
Courtesy of the Kentucky Historical Society
This file appears in: Triangular Jog
Triangular Jog
Historical Marker #1850 in Simpson County notes the irregular boundary protrusion that occurs on the Kentucky-Tennessee state line where Interstate 65 crosses the border.
Looking at almost any map…