What does the company mine where James T. Prokopanko is a former president?
James T. Prokopanko: James T. Prokopanko is the former president and Chief Executive Officer of The Mosaic Company and has served in that capacity from January 1, 2007 to August, 2015. The Mosaic Company:  Mosaic mines two key crop nutrients—phosphate and potash—and produces specialty products MicroEssentials, K-Mag and Pegasus.
phosphate and potash