LOCATION.--Lat 40°52'23", long 95°34'48"
referenced to North American Datum of 1927, in NW 1/4 NE 1/4 NE 1/4
sec.17, T.70 N., R.41 W., Fremont County, IA, Hydrologic Unit
10240002, on right bank on upstream side of bridge on State Highway
184, 0.5 mi west of Randolph, 0.3 mi downstream from Deer Creek, 16.0
mi upstream from confluence with East Nishnabotna River, and 30.6 mi
upstream from mouth of Nishnabotna River. (map)
DRAINAGE AREA.--1,326 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from June 1948 to current
year.
REVISED RECORDS.--WSP 1440: Drainage area. WDR IA-74-1: 1973 (M).
WDR IA-76-1: 1975 (P).
GAGE.--Water-stage recorder. Datum of gage is 932.99 ft above
National Geodetic Vertical Datum of 1929. Prior to August 26, 1955,
non-recording gage at same site and datum, with supplementary
water-stage recorder operating above 8.4 ft gage height from June 30,
1949, to August 25, 1955.