Illinois mineral industry in 1931
Subtitle: preliminary statistical summary and economic review
By: by W.H. Voskuil and Alma R. Eich
Contributors: Sweeny, Alma R.
Series: Illinois. State Geological Survey. Report of investigations -- no. 25; Report of investigations (Illinois State Geological Survey) -- no. 25.
Publisher: State Geological Survey
Published: 1932
Place of publication: Urbana, Ill
Language: eng
Number of pages: 49
Subjects: Mines and mineral resources; Mineral industries; Statistics