South Dakota Tunnels

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 Additions and/or corrections to the database are encouraged! Simple Add/Edit Procedure.

Displaying 1 to 9 of 9 records
Name County USGS Topo Map
C.C. Gideon Tunnel Pennington Iron Mountain
Doane Robinson Tunnel Pennington Iron Mountain
Hood Tunnel Custer Custer
Hood Tunnel Custer Custer
Iron Creek Tunnel Custer Iron Mountain
MinerΓÇÖs Gateway Tunnel Pennington Mount Rushmore
Needles Eye Tunnel Custer Custer
Scovel Johnson Tunnel Pennington Iron Mountain
Thunderhead Falls Tunnel Pennington Pactola Dam
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