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Mickelson Trail - Tunnel #4

Facts 

Overview
Tunnel under Hill on Mickelson Trail
Location
Pennington County, South Dakota
Status
Open to pedestrians only
History
Built 1890
Railroads
- Burlington Northern Railroad (BN)
- Chicago, Burlington & Quincy Railroad (CBQ)
Design
Tunnel
Dimensions
Total length: 165.0 ft.
Approximate latitude, longitude
+44.13920, -103.74294   (decimal degrees)
44°08'21" N, 103°44'35" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/600547/4888102 (zone/easting/northing)
Inventory number
BH 88605 (Bridgehunter.com ID)

Update Log 

  • March 19, 2020: Added by John Marvig

Sources