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STREAMS TRIBUTARY TO LAKE SUPERIOR
04040000 ONTONAGON RIVER NEAR ROCKLAND, MI
LOCATION.--Lat 46°43'15", long 89°12'25", in NE1/4 sec.20, T.50 N.,
R.39 W., Ontonagon County, Hydrologic Unit 04020102, on left bank 150 ft
downstream from bridge on Victoria Road, 1.8 mi southwest of Rockland, and
2.4 mi downstream from confluence of Middle and West Branches.
DRAINAGE AREA.--1,340 mi2.
PERIOD OF RECORD.--June 1942 to current year.
REVISED RECORDS.--WSP 1387: 1943, 1946-47. WSP 1911: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 638.72 ft
above sea level. Prior to Nov. 23, 1943, nonrecording gage and Nov. 23, 1943,
to Oct. 17, 1967, water-stage recorder at site 50 ft upstream at same datum.
Station operated in cooperation with the Upper Peninsula Power Company.
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