• publisher: Urbana, Ill. : State Geological Survey
  • creator: Voskuil, Walter Henry, 1892- Stevens, Douglas F Hamrick, Nina T
  • contributor: Stevens, Douglas F. Hamrick, Nina T.
  • Keyword: Mineral industries Illinois Statistics. Mines and mineral resources Illinois Statistics.
  • years: 1946.
  • pages: 116 p. :
  • class: QE105
  • download: pdf file