Browse Illinois State Geological Survey (ISGS) by Subject "Underdeveloped Aquifiers"

  • Walker, William H.; Bergstrom, Robert Edward; Walton, William Clarence (Illinois State Water Survey and the Illinois State Geological Survey, 1965)
    Pleistocene sand and gravel deposits underlying the Havana region of west-central Illinois constitute one of the largest underdeveloped aquifers in the state. The deposits are more than 100 feet thick in most places and ...


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