Laborers Local Union 860

http://www.desmoinesregister.com/article/20110126/NEWS10/101260353/How-are-roads-paid-for-A-variety-of-fees-and-taxes-contribute

http://online.wsj.com/article/SB10001424052748703730704576065902395986840.html

http://www.nytimes.com/2011/01/25/us/politics/25build.html?_r=1

http://www.freearticlezines.com/2011/01/outfitting-your-workers-with-safety-tshirts/

http://www.kentnews.co.uk/p_12/Article/a_10763/Workers_have_been_abused_by_drivers_as_road_closed_for_water_mains_replacement

http://www.thebostonchannel.com/r/26573413/detail.html

http://waterwiseconsulting.wordpress.com/2011/01/21/what-will-come-of-our-aging-water-infrastructure/

http://www.waterworld.com/index/display/news_display/1343418910.html

http://finance.yahoo.com/news/Unions-see-sharp-membership-apf-2604944800.html?x=0

http://www.cnn.com/2011/US/01/20/water.main.infrastructure/