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Shane K. Butler, M.S.
Industrial Minerals and Resource EconomicsEnergy and Earth Resources Center
Phone: 217-244-0080
E-mail: butler@isgs.uiuc.edu
State of Illinois | Illinois Department of Natural Resources | University of Illinois
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Shane K. Butler, M.S.Industrial Minerals and Resource EconomicsEnergy and Earth Resources Center Phone: 217-244-0080
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