Sediment Monitoring Network, Illinois State Water Survey

Pecatonica River at Freeport (1981-Present) Rock River at Rockton (1981-Present) Vermilion River near Leonore (1984-Present) Mazon River near Coal City (1981-1997, 2002-Present) Kankakee River near Wilmington (1983-Present) Kankakee River at Momence (1982-1985, 1988-1990, 1993-Present) Spoon River at London Mills (1981-1987, 1994-Present) LaMoine River at Colmar (1981-1988, 1993-Present) LaMoine River at Ripley (1983-1990, 1993-Present) Sangamon River at Monticello (1981-1994, 1996-Present) Kaskaskia River at Vandalia (1981-1988, 1990-Present) Silver Crk near Freeburg (1981-1988, 1990-2010) Little Wabash River at Carmi (1981-1985, 1993-Present) Cache River at Forman (1981-Present) Cache River at Ullin (1986-1989, 1995-Present)