User:Alec r 623/ References
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http://www.westvalley.edu/att/Pavement%20Management/pm_01.htm
http://training.ce.washington.edu/WSDOT/Modules/09_pavement_evaluation/09-7_body.htm
http://www.ncdot.org/doh/pmu/PavementInfo/pcsman/alligtor.html
http://lgam.wikidot.com/crocodile-cracking
http://www.brevardcounty.us/environmental_permitting/documents/HillbergAsphalt-PASER_02.pdf