What is Blue Knob in Johnson, IL?
Blue Knob is a Summit located in Johnson County, IL
Summit
USGS Feature Class
#404594
USGS Feature Id
505.12feet
Elevation above sea level
154meters
Elevation above sea level
Where is Blue Knob located?
JohnsonCounty
Blue Knob is located in Johnson County, IL
37.36783, -88.75089
latitude / longitude
GPS coordinates for Blue Knob
Mermet
USGS Map Name
Map of Blue Knob in Johnson, Illinois