LOCATION.--Lat 43°24'25", long 91°53'56"
referenced to North American Datum of 1927, in NW 1/4 NW 1/4 SE 1/4
sec.10, T.99 N., R.9 W., Winneshiek County, IA, Hydrologic Unit
07060002, on left bank 10 ft downstream from bridge on County Highway
W20, 6.8 mi northwest of Decorah, 0.5 mi upstream from Silver Creek,
and 73.9 mi upstream from mouth. (map)
DRAINAGE AREA.--367 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Partial-record low-flow measurement site from
September 1957 to July 1977; stage-only records from October 1999 to
September 2002; discharge records from October 2002 to current
year.
GAGE.--Water-stage recorder. Datum of gage is 945.50 ft above
National Geodetic Vertical Datum of 1929.