LOCATION.--Lat 41°34'54", long 93°38'34"
referenced to North American Datum of 1927, in SW 1/4 NW 1/4 NE 1/4
sec.8, T.78 N., R.24 W., Polk County, IA, Hydrologic Unit 07100006,
attached to handrail 465 ft from right edge on downstream side of
bridge on Fleur Drive (Southwest 18th Street) in Des Moines, 3.0 mi
downstream from Walnut Creek, and 2.6 mi upstream from mouth.
DRAINAGE AREA.--3,625 mi2.
PERIOD OF RECORD.--Stage-only records from October 1995 to
September 1996; discharge records from October 1996 to current
GAGE.--Water-stage recorder. Datum of gage is 780.70 ft above
National Geodetic Vertical Datum of 1929.
REMARKS.--Discharges are affected by withdrawal by Des Moines