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Owned by the U.S. Corp of Engineers, this tunnel near Fairbanks, Alaska is 360 feet in length and descends 40,000 years. Inside the Permafrost Tunnel in Fox, Alaska.

Credit to read: Photo by Gary Wesche (PolarTREC 2009/2010), Courtesy of ARCUS

Photographer: Gary Wesche
Category: 
Year: 
2009
Program: 
PolarTREC
Region: 
West Antarctic Ice Sheet
Topic: 
File Information
Focal Length: 
8.1mm
File Size: 
2866282
Computed Mime: 
image/jpeg
Max Aperture: 
f/3.5
Height: 
2304
Width: 
3072
Make: 
PENTAX Corporation
Model: 
PENTAX Optio W20
Exposure Time: 
1/3s
ISO: 
400

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