Tower Rock Stone Co. / Harbison Walker Refractories Inc. / Unimin Corporation / Mid-America Energy & Mining Services Inc. / Gredell Engineering Resources / Conco Quarries Inc. / Geological Survey / /
Organization
Industrial Minerals Unit / Missouri Department of Transportation / Missouri Lime Producers Association / Minerals Advisory Council / Industrial Minerals Advisory Council / Division of Geology and Land Survey / /
Person
Rodney Linken / Chris Upp / Diane Tucker / Carey Bridges / Ryan Winter / Steve Rudloff / Mike Nowobilski / Joe Gillman / Mikel Carlson / Pat Mulvany / Connie Edwards / Daniel Rowe / David Keller / Dave Ahlvers / /
Position
Chairperson / Department of Natural Resources / Program Director / General / Secretary / Chief / /