SPECIATION OF RARE EARTH ELEMENTS IN SPRINGFIELD, HERRIN, AND BAKER COAL FORMATIONS IN SOUTHERN PARTS OF THE ILLINOIS BASIN

Alireza Valian, University of Kentucky, John G. Groppo, Cortland F. Eble, James C. Hower, Rick Q. Honaker
2018 unpublished
doi:10.1130/abs/2018am-324282 fatcat:mtdhdm7lqbf7fbzduj6s5nxnta