Browse Illinois State Water Survey (ISWS) by Author "Walker, William H."

  • 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 ...


    application/pdfPDF (2MB)