File:Ground Freezing System in Operation while Commuter Trains Run Through the Big Dig.gif

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Ground_Freezing_System_in_Operation_while_Commuter_Trains_Run_Through_the_Big_Dig.gif ‎(350 × 231 pixels, file size: 62 KB, MIME type: image/gif)

Description Ground Freezing System in Operation while Commuter Trains Run Through the Big Dig.
Date Unknown date
Unknown date
Source http://www.fhwa.dot.gov/bridge/tunnel/pubs/nhi09010/12.cfm
Author US DoT
Permission
(Reusing this file)
Public domain This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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current10:46, 22 July 2014Thumbnail for version as of 10:46, 22 July 2014350 × 231 (62 KB)Geo Swan{{Information |Description=Ground Freezing System in Operation while Commuter Trains Run Through the Big Dig. |Source=http://www.fhwa.dot.gov/bridge/tunnel/pubs/nhi09010/12.cfm |Date=unknown |Author=US DoT |Permission={{PD-USGov-DOT}} |other_versions=...
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