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DESCRIPTION:

Latitude 34°55'33",   Longitude 97°46'25"   NAD27

Grady County, Oklahoma, Hydrologic Unit 11130303

Drainage area: 4,768 square miles

Contributing drainage area: 4,756 square miles,

Datum of gage: 990.00 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2017-08-17
Daily Data
Discharge, cubic feet per second	1964-10-01	2017-08-16	18626
Daily Statistics
Discharge, cubic feet per second	1964-10-01	2017-03-28	18483
Monthly Statistics
Discharge, cubic feet per second	1964-10	2017-03
Annual Statistics
Discharge, cubic feet per second	1965	2017
Peak streamflow	1921	2016-04-20	67
Field measurements	1978-08-16	2017-08-07	277
Field/Lab water-quality samples	1962-01-03	1990-08-31	3473
Water-Year Summary	2006	2016	11
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1990-10-01	2007-09-30	149807

OPERATION:

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

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