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DESCRIPTION:

Latitude 44°04'52",   Longitude 102°24'03"   NAD27

Pennington County, South Dakota, Hydrologic Unit 10120111

Drainage area: 12,679 square miles

Contributing drainage area: 12,674 square miles,

Datum of gage: 2,260.78 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1991-07-21	2017-10-17
Daily Data
Discharge, cubic feet per second	1914-10-01	2017-10-16	32163
Daily Statistics
Discharge, cubic feet per second	1914-10-01	2016-10-22	31826
Monthly Statistics
Discharge, cubic feet per second	1914-10	2016-10
Annual Statistics
Discharge, cubic feet per second	1915	2017
Peak streamflow	1915-06-13	2016-07-02	89
Field measurements	1915-06-14	2017-08-30	450
Field/Lab water-quality samples	1949-12-08	2015-07-14	590
Water-Year Summary	2006	2016	11

OPERATION:

Record for this site is maintained by the USGS South Dakota Water Science Center

Email questions about this site to South Dakota Water Science Center Water-Data Inquiries

ADDITIONAL INFORMATION

National Weather Service Floodstage 14.0 ft.