Geologist to talk on Missouri milling, mining
Bob Hemmann, Senior Geologist in Exploration at the Doe Run Company in Missouri, will present a talk on “The Geology, Mining and Milling of the Virburnum Trend” Sept. 2 at the Spring River Gem and Mineral Club meeting at the Thunderbird Center in Cherokee Village, Ark. The Spring River Gem and Mineral Club will meet Friday, Sept. 2, 10AM, at Thunderbird Center, Cherokee Village, AR.Bob Hemmann, Senior Geologist in Exploration at the…
