Salt Mines

as Self - Production Supervisor, Cargill Salt

as Self - Production Miner, Cargill

as Self - Project Manager, Cargill Salt

as Self - Manager, U.S. Department of Energy

as Self - Professor, Academy of Mining and Metallurgy

as Self - Surface Superintendent, Cargill

as Self - Senior Mine Engineer, Cargill

as Self - Mine General Foreman, Cargill

as Self - President, Salt Institute

as Self - Author, 'Salt & Pepper'