The community gathered at the Blue Rapids Museum on Saturday, September 26 for a Gypsum Mining presentation given by retired and current workers. Dennis Osborne started working at Georgia Pacific in 1966. He shared the history of working at the plants and his work experience. Valeria Adkins is the Safety and Environmental Coordinator and she … More Gypsum Mining In Marshall County Past, Present, and Future – with Valeria Adkins, Alan Detmore & Dennis Osborne