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Bridges & Structures

 

Archived: Interstate Technical Group on Abandoned Underground Mines
An Interactive Forum

Locating and Characterizing Abandoned Mines Using Microgravity: Figure 4


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Seismic section of lines 4, 12, 20, and 28

Figure 4. Seismic section of lines 4, 12, 20, and 28

Updated: 02/12/2018
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000