Page View
Bureau of Mines / Minerals yearbook area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)
Hill, James J.; Prosser, L. J., Jr.
Illinois, pp. 177-187 ff.
PDF (1.1 MB)
Page 183
![[page image]](https://images.library.wisc.edu/EcoNatRes/EFacs2/MineralsYearBk/MinYB197879v2/L/0191.jpg)
http://rightsstatements.org/vocab/NoC-US/1.0/| As a work of the United States government, this material is in the public domain.| For information on re-use see: http://digital.library.wisc.edu/1711.dl/Copyright