LOCATION.--Lat 42°24'28", long 93°04'22"
referenced to North American Datum of 1927, in NW 1/4 sec.28, T.88
N., R.19 W., Hardin County, IA, Hydrologic Unit 07080207. (map)
DRAINAGE AREA.--735 mi2.
SURFACE-WATER RECORDS
GAGE.--Water-stage recorder. Datum of gage is 990 ft above
National Geodetic Vertical Datum of 1929.