Sitecode,Agency Code,Data Source Agency,Agency Contact,Stream,Monitoring Location,State,Pool,Hydrologic Unit Code,Period of Record,Drainage Area (mi2),UTM N,UTM E,Flow Data Record-Source,Flow Agency Code,Flow Stream,Flow Station Location,Flow Drainage Area (mi2),Flow UTM N,Flow UTM E 160001,05446500,USGS Water Resources Division,(703)648-6869,Rock River,"near Joslin, IL",IL,16,07090005,10-1974 to 9-1994,"9,549",4604517,735004,10-01-1939 to 09-30-1997 USGS,05446500,Rock River,"Joslin, IL","9,549",4604517,735004