• publisher: Champaign, Ill. : Illinois State Geological Survey
  • creator: Poole, Vickie L Heigold, Paul C Illinois State Geological Survey
  • contributor: Heigold, Paul C. Illinois State Geological Survey.
  • Keyword: Aquifers Illinois. Groundwater Illinois.
  • years: 1981.
  • pages: vi, 61 p. :
  • class: GB1199.I3
  • download: pdf file