Research on the state's mineral resources and their utilization
Subtitle: Rock and rock products sessions : abstract reports of general session, forum on researches in progress, and symposium on needed researches
By: sponsored by Illinois State Geological Survey, Division of the Department of Registration and Education, Engineering Experiment Station of the University of Illinois, Illinois Mineral Industries Committee
Contributors: Illinois State Geological Survey; University of Illinois. Engineering Experiment Station; Illinois Mineral Industries Committee
Series: Information circular / Illinois State Geological Survey -- no. 18; Information circular (Illinois State Geological Survey -- no. 18.
Publisher: Illinois State Geological Survey
Published: 1936
Place of publication: Urbana, Ill
Language: eng
Subjects: Congresses; Rocks
Notes: "May, 1936."