USGS Water-Year Summary 2023
06208500 CLARKS FORK YELLOWSTONE RIVER AT EDGAR, MT
LOCATION - Lat 45°27'56.57", long 108°50'38.78" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.23, T.4 S., R.23 E., Carbon County, MT, Hydrologic Unit 10070006, on right bank 400 ft downstream from county bridge, 0.5 mi east of Edgar, 6 mi upstream from Rock Creek, and at river mile 22.1.
DRAINAGE AREA - 2,034 mi².
- Water Supply Paper (WSP) 1509: 1924; 1932, maximum discharge. WSP 1729: Drainage area. Water Data Report MT-04-1: Drainage area.
PERIOD OF RECORD - July 1921 to September 1969, October 1986 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,460 ft, referenced to the North American Vertical Datum of 1988. Prior to Aug. 31, 1953, nonrecording gage located at same site and elevation.