Permafrost Tunnel Research Facility

Permafrost Tunnel Research Facility (Google Maps)
No Thumbnail
Excavated from 1963 to1969 for the study of permafrost, geology, ice science, and mining and construction techniques specific to permafrost environments, the PTRF is one of the nation's unique natural research facilities.
121 views
Views by date
UnratedRate as 1Rate as 2Rate as 3Rate as 4Rate as 5Rate as 6Rate as 7Rate as 8Rate as 9Rate as 10

Comments

Policies

Please log in if you don't want to post anonymously (anonymous users cannot post links).

Note: VirtualGlobetrotting is an entertainment website is and is not associated with this post, location or person.

Please enable images and enter code to post
Reload

Around the World Mailing List

Share:

Comments

Policies

Please log in if you don't want to post anonymously (anonymous users cannot post links).

Note: VirtualGlobetrotting is an entertainment website is and is not associated with this post, location or person.

Please enable images and enter code to post
Reload