USGS Water-Year Summary 2022
07190100 Neosho River (service road) near Langley, OK
LOCATION - Lat 36°27'43", long 95°02'00" referenced to North American Datum of 1927, in SE 1/4 NN 1/4 W 1/4 sec.23, T.23 N., R.21 E., Mayes County, OK, Hydrologic Unit 11070209,
DRAINAGE AREA - 10,345 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
PERIOD OF RECORD - Stage data collected from 1994 to current year.
GAGE - Water-stage recorder. Datum of gage is 607.62 feet above NAVD 88. Current datum determined by a GNSS Level II survey REF FRAME: NAD_83(2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2021.5933)[NAVD88 (Computed using GEOID18)] and tied to locally set GNSS hub. Prior to 10/01/2021 the datum in use was 607.65 feet above NGVD 1929.