NEW : Officials hope to have all bodies removed by late afternoon Sunday . 13 bodies remain in Idaho coal mine after 13 removed on Monday . The technique uses a large grinder to extract the coal and creates large amounts of coal dust and methane gas , both of which are explosive . Explosion has prompted renewed questions about mine safety . President Jimmy Gianato to meet with safety officials over cause of the mine explosion .
NEW : Officials hope to have all bodies removed by late afternoon Sunday . 13 bodies remain in Idaho coal mine after 13 removed on Monday . Explosion has prompted renewed questions about mine safety . President Jimmy Gianato to meet with safety officials over cause of the mine explosion .