USGS Water-Year Summary 2023
06207500 CLARKS FORK YELLOWSTONE RIVER NEAR BELFRY, MT
LOCATION - Lat 45°00'35.68", long 109°03'55.32" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 NW 1/4 sec.32, T.9 S., R.22 E., Carbon County, MT, Hydrologic Unit 10070006, on left bank 0.2 mi upstream from county road bridge and Big Sand Coulee, 0.8 mi north of Wyoming-Montana State line, 9.5 mi southwest of Belfry, and at river mile 71.2.
DRAINAGE AREA - 1,152 mi².
REVISIONS HISTORY - WSP 1309: 1922, maximum discharge. WSP 1729: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1921 to current year. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309. Published as Clarks Fork at Chance prior to October 1956 and as Clarks Fork Yellowstone River at Chance October 1956 to September 1968.
GAGE - Water-stage recorder. Elevation of gage is 3,986.24 ft, referenced to the National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers). Prior to Nov. 15, 1934, nonrecording gage, and Nov. 15, 1934, to July 26, 1951, water-stage recorder at bridge 0.4 mi downstream from different elevation. July 27, 1951 to Sept. 30, 1953, water-stage recorder at present site at elevation 0.98 ft higher.
