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Subject "Union County"
Ground-water geology of selected wetlands in Union and Alexander Counties, Illinois /
By: McKay, E. Donald. - Cartwright, Keros. - Elzeftawy, Atef.
Publication info: Urbana :Illinois State Geological Survey Division,1979.
Contributed by: University of Illinois Urbana Champaign
Subjects: Alexander County Illinois Union County Wetlands