LOCATION.--Lat 43°07'34", long 94°42'21"
referenced to North American Datum of 1927, in NE 1/4 NW 1/4 NE 1/4
sec.23, T.96 N., R.33 W., Palo Alto County, IA, Hydrologic Unit
07100002, on left bank 100 ft downstream from bridge on U.S. Highway
18 in Emmetsburg, 3.0 mi south of Jack Creek, 2.3 mi north of Silver
Creek, and 380.6 mi upstream from mouth. (map)
DRAINAGE AREA.--1,672 mi2.
PERIOD OF RECORD.--Stage-only records from March 2009 to September
2011 (no winter records); discharge records from October 2011 to
GAGE.--Water-stage recorder. Datum of gage is 1,196.00 ft above
National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps