Champaign County surface water resources.

Bibliography: p. 49-50.

Carroll County surface water resources /

Bibliography: p. 40-41.

DeWitt County surface water resources /

"April, 1969."

Edwards County surface water resources /

"March, 1969."

Effingham County surface water resources /

"February, 1969."

Fayette County surface water resources /

"January, 1968."

Hamilton County surface water resources /

"April, 1969."

Henry County surface water resources /

"April, 1969."

Jo Daviess County surface water resources /

"June, 1971."

La Moine River basin study : a comprehensive plan for water resource development /

Bibliography: p. 57-59.

Kane County surface water resources /

"April 1968."

Kankakee County surface water resources /

"March, 1968."

Livingston County surface water resources /

"March, 1969."

Madison County surface water resources /

"January, 1970."

Menard County surface water resources /

"February, 1969."