Useful Links
Here are some links you may find useful:
http://www.concrete.org/certification/cert_search.asp
http://www.wes.army.mil/SL/MTC/mtc.htm
click on the link for the AASHTO R18 directory
Here are some links you may find useful:
http://www.concrete.org/certification/cert_search.asp
http://www.wes.army.mil/SL/MTC/mtc.htm
click on the link for the AASHTO R18 directory