Jo Daviess County surface water resources /

"June, 1971."

Inventory of public groundwater supply : system deficiencies of urban areas /

Bibliography: p. 4.

Kane County surface water resources /

"April 1968."

Kankakee County surface water resources /

"March, 1968."

Lake Michigan water allocation study /

"Project number 1300.013."

Livingston County surface water resources /

"March, 1969."

Madison County surface water resources /

"January, 1970."

List of public and food processing water supplies utilizing surface water /

"July 1983."

Menard County surface water resources /

"February, 1969."

Morgan County surface water resources /

"March, 1970."

Ogle County surface water resources /

"April, 1968."

Piatt County surface water resources /

"January, 1968."

Perry County surface water resources /

"March, 1969."

Pond water treatment.

Reissue of 1954 ed. published by the Dept's Division of Sanitary Engineering, which was issued as the Dept.'s Circular N820.

Potential water resources of southern Illinois /

Bibliography: p. 96-97.