An edition of Papers presented at the Quarter centennial celebration of the Illinois State Geological Survey (1931)
Papers presented at the Quarter centennial celebration of the Illinois State Geological Survey
By Illinois State Geological Survey
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Publish Date
1931
Publisher
State Geological Survey
Language
eng
Pages
300
Description:
subjects: Coal, Geological surveys, Illinois State Geological Survey, History, Geology, Illinois. State geological survey, Illinois
Places: Illinois