LOCATION.--Lat 41°23'24", long 95°22'17"
referenced to North American Datum of 1927, in NE 1/4 NW 1/4 NE 1/4
sec.18, T.76 N., R.39 W., Pottawattamie County, IA, Hydrologic Unit
10240002, on right bank on upstream side of bridge on County Highway
G30, at western edge of Hancock, 3.0 mi downstream from Jim Creek,
60.1 mi upstream from confluence with East Nishnabotna River, and
75.7 mi upstream from mouth of Nishnabotna River. (map)
DRAINAGE AREA.--609 mi2.
PERIOD OF RECORD.--Discharge records from October 1959 to current
GAGE.--Water-stage recorder. Datum of gage is 1,085.83 ft above
National Geodetic Vertical Datum of 1929. Prior to September 15,
1980, on downstream end of right bridge pier at same datum.