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Notice of planned maintenance to underlying USGS network September 24-26, 2021: During this maintenance period users may experience intermittent periods of inaccessibility or delayed delivery of hydrologic data to the USGS National Water Information System (NWIS). Please email firstname.lastname@example.org with any concerns regarding impacts to data delivery.
LOCATION.--Lat 40°41'33", long 92°46'20"
referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NW 1/4
sec.13, T.68 N., R.17 W., Appanoose County, IA, Hydrologic Unit
10280201, on right bank 6 ft downstream from bridge on County Highway
J45 (543rd Street), 5.0 mi west of Moulton, 0.7 mi downstream from
Hickory Creek, 21.7 mi downstream from Rathbun Dam, and 8.4 mi
upstream from Iowa-Missouri state line. (map)
DRAINAGE AREA.--740 mi2.
PERIOD OF RECORD.--Discharge records from August 1979 to current
GAGE.--Water stage recorder. Datum of gage is 800.00 ft above
National Geodetic Vertical Datum of 1929 (U.S. Army Corps of
REMARKS.--Flow regulated by Rathbun Reservoir (station 06903880),
20.8 mi upstream, since November 21, 1969.