Bibliography

www.eiagov/kids/energy.cfm?page:coal.home-basics
www.ket.org/trips/coal/agsmnhow.html
www.rmcmi.ag/education#.UtNvsltyaksm
www.opc.com/MeetingDemand/TheNeedForMorePower/TheFutureofCoal/index.htm
www.sunglitz.wordpress.com/2011/02/01/advantages-and-disadvantages-of-using-coal-energy/
www.groundtruthtrekking.org/Issues/AlaskaCoal/CoalBenefits.html