September 2017
Volume 69    Issue 9

Underground construction industry is strong; 1,400 attend RETC in San Diego

Mining Engineering , 2017, Vol. 69, No. 9, pp. 122-122
Kral, Steve


The global underground construction and tunneling industry is in pretty good shape. Billions are being spent in shoring up aging infrastructure in the United States and other places, and new underground projects are being put out for bid.  

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