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Photos: Summer Icebergs in Lake Superior

Winter Leftover

(Image credit: Wisconsin Department of Natural Resources )

A brutal winter left Lake Superior with some icy souvenirs. Though temperatures are rising in the Great Lakes region with the onset of summer, icebergs were still floating in the big body of water as of early June.

Seagulls on Ice

(Image credit: Wisconsin Department of Natural Resources )

Seagulls cooled down on an iceberg floating in Lake Superior on June 6, 2014.

Iceberg, Right Ahead!

(Image credit: Wisconsin Department of Natural Resources )

Marine warden Amie Egstad spotted this iceberg near Madeline Island, off the northern coast of Wisconsin.

Lake Superior Ice

(Image credit: Great Lakes Evaporation Network )

The ice chunks are leftovers from an especially punishing winter, in which Lake Superior was nearly 100 percent covered up by ice. This photo was taken from the Granite Island Light Station on May 30.

Ice covers the Great Lakes on March 4, 2014.

frozen Great Lakes

(Image credit: NOAA/NASA)

Ice covers the Great Lakes on March 4, 2014.

Chilly Swimming

(Image credit: Great Lakes Evaporation Network )

Surface water temperatures are expected to be lower than normal this summer in Lake Superior. Swimmers who want to stay warm should stick to the shores.