USGS Water-Year Summary 2020
06437020 BEAR BUTTE CREEK NEAR DEADWOOD, SD
LOCATION - Lat 44°20'08", long 103°38'06" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.04, T.4 N., R.4 E., Lawrence County, SD, Hydrologic Unit 10120202, on right bank 0.4 mi northeast of Galena, 0.5 mi downstream from Butcher Gulch, and 5.3 mi southeast of Deadwood.
DRAINAGE AREA - 15.7 mi².
- WDR SD-10-1: Drainage area.
PERIOD OF RECORD - Oct. 1988 to current year.
GAGE - Water-stage recorder. Datum of gage is 4752 ft above NAVD88, by topographic map. Prior to conversion to NAVD88, datum was published as 4,750 ft above NGVD29, by topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,590 ft³/s, from rating curve extended above 1,000 ft³/s, on basis of slope-area measurements of peak flow, May 8, 1995, gage height, 8.34 ft.