Suter, Max; Bergstrom, Robert Edward; Smith, H.F.; Emrich, Grover Harry; Walton, W.C.; Larson, T.E.(Illinois State Water Survey and the Illinois State Geological Survey, 1959)
The purpose of this study was to make an evaluation of the ground-water resources of the
Chicago region on the basis of available data. Such an evaluation is particularly urgent at
this time due to the progressively ...
Walker, William H.; Bergstrom, Robert Edward; Walton, William C.(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 ...