Gull Lake has one of the longest ice cover records in our region, dating back to the 1920s. The duration of ice cover varies but on average has shortened by about 20 days, which is consistent with records for a number of lakes across the world. Ice cover in this lake system has been monitored by local citizens including Fred Sherriff Sr., Fred Sherriff Jr., and Betty Johnson, assisted since 1998 by Stephen Hamilton of MSU’s Kellogg Biological Station.

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