Some addresses and papers presented on the occasion of the dedication of the State Natural Resources Building, November 15, 1940, and the Illinois Mineral Industries Conference, November 14-16, 1940

Name: Some addresses and papers presented on the occasion of the dedication of the State Natural Resources Building, November 15, 1940, and the Illinois Mineral Industries Conference, November 14-16, 1940
Author: Illinois State Geological Survey

by Illinois State Geological Survey

Cover of Some addresses and papers presented on the occasion of the dedication of the State Natural Resources Building, November 15, 1940, and the Illinois Mineral Industries Conference, November 14-16, 1940

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Mines and mineral resourcesMineral industriesUrbana (Ill.).CongressesStratigraphic GeologyUrbana (Ill.). Natural Resources Building