LOCATION.--Lat 42°00'42", long 91°42'17"
referenced to North American Datum of 1927, Linn County, IA,
Hydrologic Unit 07080206, (map)
DRAINAGE AREA.--6,489 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Gage height records from October 2017.
GAGE.--Water-stage recorder.