An intensive survey of the Pecatonica River Basin, 1984-1985. - Illinois. (Illinois Environmental Protection Agency, Division of Water Pollution Control, 1988)
"February 1988."--Cover.
"IEPA/WPC/88-012."--Cover.
Bibliography: p. 47
Keywords: Water quality / Illinois / Pecatonica River.; Stream measurements / Illinois / Pecatonica River.; Water / Pollution / Illinois / Pecatonica River.; Pecatonica River (Ill.).