RIVERDALE, N.D. (AP) - Lake Sakakawea is officially ice-free.
The Army Corps of Engineers declared the Missouri River reservoir ice-free on Friday, April 1.
The lake was deemed iced over on Jan. 15. KXMC-TV reports that the 77-day span is the fourth-shortest length of time the lake has been iced over since it was formed by Garrison Dam in the mid-1950s.
The shortest ice duration on the lake was 69 days in 2012.
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