Image: Ptarmigan tunnel
Ptarmigan_tunnel.jpg (504 × 378 pixels, file size: 72 KB, MIME type: image/jpeg)
Description: Ptarmigan Tunnel, Glacier National Park, Montana
Title: Ptarmigan tunnel
Credit: http://www.hscl.cr.nps.gov/insidenps/report.asp?STATE=MT&PARK=GLAC&STRUCTURE=&SORT=&RECORDNO=338
Author: National Park Service inventory
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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