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USGS 05018500 St. Mary Canal at St. Mary Crossing near Babb MT
(About shift-adjusted ratings).
Station operated March
through October and records furnished by Water Survey Canada and
reviewed and approved by the USGS Wyoming-Montana Water Science Center
in cooperation with the U.S. Department of State and in accordance with
the Boundary Waters Treaty of 1909 as overseen by the International
Joint Commission.
Leaving USGS: U.S. Coast Guard boating safety tips.