Changes

By year-end 2010, CONSOL had coal reserves of 4.4 billion tons, sold 63.9 million tons, and dug up 62.4 million tons. Half is used for electricity, and 94% is underground mines.<ref>[http://www.consolenergy.com/AboutUs/Stats.aspx "Company Statistics"] CONSOL Website, year-end 2010.</ref> In 2010, 2.5 million of the coal CONSOL mined was from mountaintop removal strip mining.<ref>[http://opensourcecoal.org/df_coal_production.php "Datafinder"] Open Source coal, accessed July 2011.</ref> As of 2011, CONSOL operates 11 active mining complexes across five states:<ref>[http://www.consolenergy.com/Powering/MapofMines.aspx "Map of Mines"] CONSOL Energy, accessed July 2011.</ref>