Monday, May 17, 2010
Caution! Unnamed hypabyssal intrusion on the SHT
Hikers on the Superior Hiking Trail should be very very careful. There is an unnamed hypabyssal intrusion on the trail.
This intrusion was discovered on a recently published geologic map of the Crow Creek area.
The SHT runs west from the Castle Danger trailhead and descends right into the steep valley of Crow Creek. The unnamed intrusion is marked on the map with a thick blue line and the letters "db".