Photo Gallery (U.S. National Park Service)

Staple Bend Tunnel views

*The copyright status of these images may vary. Check the copyright status on the image detail pages before you download them.

Mineral Point

Staple Bend

162 x 216
0.0 MB

historic graffiti at staple bend tunnel

SBT graffiti

960 x 1280
0.9 MB

East portal of Staple Bend Tunnel

SBT East Portal

960 x 1280
1.0 MB

One of the Portage workers marked his blocks with a symbol of a horizontal line and three rays fanning out beneath.

Mason Mark

960 x 1280
0.8 MB

Some of the interior rock revealed inside the Staple Bend Tunnel. Look close for drill marks, too.

SBT interior rock

960 x 1280
0.6 MB

Back to top | View All